Cooper Center for In-Vitro Fertilization

Jerome H. Check, M.D., Ph.D.
Medical and Laboratory Director of IVF

CURRICULUM VITAE

EDUCATIONAL EXPERIENCE:

1. University of Pennsylvania, Biology, 1963 - 1967

2. Hahnemann Medical College, 1967 - 1971

3. Straight Medical Intern, Lankenau Hospital, Philadelphia, Pennsylvania, 1971 - 1972

4. Resident in Internal Medicine, Lankenau Hospital, 1972 - 1974

5. Fellow in Gynecologic Endocrinology, Jefferson Medical College and Hospital, 1974 - 1975

6. Ph.D. in Biological Sciences (OB/GYN). Department of Obstetrics and Gynecology Jagiellonian University College of Medicine, June 1997

MILITARY SERVICE:

United States Army Reserves, 1971 to 12/77, Captain

Predominantly out-patient gynecology

PRIZES, AWARDS, HONORS:

1. Olney High School, Philadelphia, Pennsylvania, 1959 - 1963

A. Senior Superlatives, voted most intelligent in class

B. Phi Beta Kappa Award

2. Full paid scholarship, University of Pennsylvania

A. Honors major in Biology

3. Full paid scholarship, Hahnemann Medical College

4. Alpha Omega Alpha, Hahnemann Medical College

5. Charles Ebberhardt Award for Cancer Research

6. Jane Stuart Award for Clinical Oncology, Hahnemann Medical College

7. Honors - Internal Medicine

8. Runner-up-James Ewing Society Award for Cancer Research, 1974

9. Diplomate, American Board of Internal Medicine, 1974

10. Associate Fellow of the American College of Obstetrics and Gynecology

11. Fellow of the American College of Physicians

12. Board Certified Endocrinology and Metabolism 1982

13. Fellow of the American College of Clinical Endocrinology

14. 25-year Professional Attainment Award, Hahnemann University School of Medicine

PROFESSIONAL MEDICAL EXPERIENCE:

Associated with Drs. Abraham Rakoff and Alvin Goldfarb, July 1975 - August, 1977, in the practice of gynecology endocrinology, infertility, and medical endocrinology.
August, 1977 to present, practice of gynecologic endocrinology, infertility, and medical endocrinology.
Instructor, Department of OB-GYN, 7/1/75-6/30/78, Division of Reproductive Endocrinology & Infertility, The Jefferson Medical College of Thomas Jefferson University Hospital.
Assistant Professor, Department OB-GYN, 7/1/79-6/30/84, Division of Reproductive Endocrinology & Infertility, The Jefferson Medical College of Thomas Jefferson University Hospital.
Associate Professor, Department OB-GYN, 7/1/84-8/89, Division of Reproductive Endocrinology & Infertility, The Jefferson Medical College of Thomas Jefferson University Hospital.
Assistant Professor, Department of Medicine, 7/1/76-8/89, Division of Reproductive Endocrinology & Infertility, The Jefferson Medical College of Thomas Jefferson University Hospital.
Methodist Hospital - On staff in the department of OB-GYN and consultant staff in the department of Medicine.
Jeanes Hospital - On staff in the department of OB-GYN.
Laboratory Director of Endocrine Testing, Ltd.
Medical Director of the Cooper Center for IVF - 1991 to present
Program Director of the Cooper Center for IVF - October 1993 to September 1995
Professor of Clinical Obstetrics and Gynecology at the University of Medicine and Dentistry of New Jersey.
Division Head, Division of Reproductive Endocrinology and Infertility, Robert ood Johnson Medical School at Camden, Cooper Hospital/University Medical Center, Camden, New Jersey.
December, 1993 to present, Consultant, Department of Obstetrics and Gynecology, St. Francis Hospital, Wilmington, Delaware.

Professional Societies

1. American College of Physicians

2. American Fertility Society

3. The American College of Obstetricians and Gynecologists

4. Endocrine Society

5. American Association for the Advancement of Science

6. Association of Professors of Gynecology and Obstetrics

7. American Society for Bone and Mineral Research

8. American Society of Andrology

9. The New York Academy of Sciences

10. American Physicians Fellowship, Inc. for Medicine in Israel

11. International Society of Gynecological Endocrinology

12. American Association of Gynecologic Laparoscopists

13. European Society of Human Reproduction and Embryology

14. US International Foundation for Studies in Reproduction, Inc., Charter Associate Member

15. International Society for the Immunology of Reproduction

16. Montgomery County Medical Society

17. Pacific Coast Fertility Society

18. Philadelphia Area Reproductive Endocrine Society (P.A.R.E.S.)

19. Member of National Infertility Network Exchange since 1994.

JOURNAL EDITORIAL STAFF

1. Editorial Review Board, USA

International Journal of Fertility

2. Life Science Advances: General Endocrinology

3. Special reviewer for Obstetrics and Gynecology

4. Reviewer for Journal of Andrology

5. International Editorial Board

Search Your Colleague's Practice on Obstetrics and Gynaecology

6. Reviewer for Journal of Assisted Reproduction and Genetics

LECTURES AND SCIENTIFIC PRESENTATIONS:

1. American Association for Cell Biology, San Diego, 1970.

"Studies of immunological protection against virally-induced mammary tumors of R III mice."

2. American Association for Cancer Research, Chicago, 1971.

"Immunological protection against spontaneous mammary tumors in R III mice."

3. American Association for Therapeutic Radiologists, Phoenix, 1972.

4. American Association for Cancer Research, Atlantic City, 1973.

"Decreased mumps sensitivity test in patients with breast cancer receiving mediastinal radiation."

5. American Association for Therapeutic Radiologists, New Orleans, 1973.

"Diminished delayed hypersensitivity reactions in patients with lymphoma treated by radiation therapy by mantele technique."

6. International Cancer Congress, Florence, Italy, 1974.

"Protection against transplanted and spontaneous lymphoma by inoculation of heat-altered syngeneic tumor cells in splenectomized mice."

7. American Association for Cancer Research, Toronto, 1976.

"Immunologic protection against murine Hodgkins-like reticulum cell sarcoma."

8. American Fertility Society, New Orleans, March, 1978.

"Improved fertility in oligospermic males treated with clomiphene citrate."

9. Pan American Conference on Fertility and Sterility, Acapulco, Mexico January, 1979.

"Improved semen quality in subfertile males with varicocele-associated oligospermia following treatment with clomiphene citrate."

10. Pan American Conference on Fertility and Sterility, Aruba, Netherlands, Antilles, March, 1980.

"Ovulation induction with Bromoergocryptine in patients with normal serum prolactin."

Open Forum Discussion

11. World Conference on Embryo Transfer and Instrumental Insemination, Kiel, West Germany, September, 1980.

"Improved fertility results with split ejaculate insemination and improved cervical mucus."

Chairman: Clinical aspects of instrumental insemination.

12. The New Jersey Obstetrical and Gynecological Society, Atlantic City, New Jersey, April 2, 1981.

"New approaches to the diagnosis and treatment of ovulation disorders."

13. Eastern Regional Meeting of the American College of Physicians, Hershey Pocono Resort, September 26, 1981.

"Idiopathic Edema as a common cause of inability to lose weight despite appropriate dieting."

14. Pan American Conference on Fertility and Sterility, Puerto Rico, February, 1982.

15. Pan American Conference on Fertility and Sterility, Acapulco, Mexico, February, 1983.

1. "Decreased abortions in hMG-induced pregnancies with prophylactic progesterone therapy."

2. "The use of office ultrasound in infertility."

3. "Improvement of cervical factor by high dose estrogen and hMG therapy with ultrasound monitoring."

Panel Discussion Symposiums

1. Induction of ovulation and ovum recovery.

2. Can pelvic adhesions be prevented?

16. Pan American Conference on Fertility and Sterility, Hawaii, February, 1984.

1. "New approaches to the diagnosis and therapy of the luteinized unruptured follicle syndrome."

2. "Employment of pelvic sonography in the diagnosis and treatment of the cervical factor."

Panel Discussion Symposiums

1. Induction of ovulation and ovum recovery.

2. Menopausal problems.

3. Contraception.

17. The American College of Ob-Gyn District III, Bermuda, October, 1984.

"Idiopathic Edema may be a cause of recalcitrant obesity."

18. The Pan American Conference on Fertility and Sterility, Ixtapa, Mexico February, 1985.

1. "Ovulation induction with hypergonadotropic amenorrhea with estrogen and hMG therapy."

2. "Comparative safety and efficacy of pure follicle stimulating hormone versus human menopausal gonadotropins."

Panel Discussion Symposium

1. Estrogen-progesterone controversy.

2. World population and fertility planning technologies - the next 20 years.

19. The American College of Obstetricians and Gynecologists, District III Meeting, Rome, Italy, September, 1985.

"Prophylactic use of progesterone to decrease abortions in high risk patients."

20. The American Fertility Society, Chicago, Illinois, September-October, 1985.

"Improved semen quality after a short interval second ejaculation."

21. The Pan American Conference on Fertility and Sterility, Acapulco, Mexico, February, 1986.

1. "The efficiency of progesterone in achieving successful pregnancies in women with pure luteal phase defects."

2. The treatment of cervical factor with ethinyl estradiol and human menopausal gonadotropins."

3. "The use of pelvic sonography and serum estradiols and progesterone assays in the diagnosis and treatment of the cervical factor."

4. "Spontaneous abortion rate in patients with endometriosis treated with progesterone."

Panel discussion symposiums

1. Pelvic factors in infertility.

2. Update on the use of estrogens and progesterone.

22. National Symposium on Prolactin Disorders, Marco Island, Florida April, 1986, Sandoz Symposium.

"Hyperprolactinemia and luteal phase defects."

23. XII World Congress on Fertility and Sterility, Republic of Singapore October, 1986.

1. "The clinical usefulness of the hamster ova penetration test in unexplained infertility."

2. "Combined use of pelvic sonography and serum estradiol (E₂) and progesterone (P) assays in more precise monitoring of ovulation in infertility patients."

3. "An in vivo technique for screening immunologic factors in infertility."

24. The Pan American Conference on Fertility and Sterility, Puerto Rico, January, 1987.

"Progesterone therapy to decrease first trimester spontaneous abortions in previous aborters."

25. The American Society of Andrology, Denver, Colorado, March, 1987.

"An In Vivo Technique for screening immunologic factors in the etiology of the unexplained poor post coital test."

26. International Congress on Gynecological Endoscopy, IVF and Human Reproduction, Rio DeJaneiro, Brazil, June 7-11, 1987.

1. "Luteal Phase Defects - New Techniques in Determining Therapy and the Role of Hyperprolactinemia."

2. "Improved Fertility with Clomiphene Therapy of the Male with Normal Spermograms in Unexplained Infertility."

3. "The Importance of Laparoscopic Coagulation of Mild Endometriosis in Infertile Women."

27. Fertility Research Foundation. Fourth World Conference: Infectious Diseases and Human Infertility. New York, March 26-27, 1987.

The importance of luteal phase deficiency as a cause of infertility in private practice - a preliminary report."

28. The American Fertility Society's Annual Meeting, Reno, Nevada, September 27-October 1, 1987.

1. "Bromocriptine Versus Progesterone Therapy for Infertility Related to Luteal Phase Defects in Hyperprolactinemic Patients."

2. "Ovulation Inducing Drugs Versus Progesterone Therapy for Infertility in Patients With Luteal Phase Defects".

29. VI World Congress on Human Reproduction, Tokyo, Japan, October, 1987.

1. "A controlled study laparoscopic fulguration of stage 1 and 2 endometriosis in infertility."

2. "Bromocriptine versus progesterone therapy for infertility related to luteal phase defects in hyperprolactinemic patients."?

3. "Empirical therapy of the male with clomiphene citrate in couples with unexplained infertility."

4. "Ovulation-inducing drugs versus progesterone therapy for infertility in patients with luteal phase defects."

30. The Pan American Conference on Fertility and Sterility, Hawaii, February, 1988.

1. "An in-vivo technique for screening immunologic factors in the etiology of the unexplained poor post-coital test."

2. "17 Hydroxyprogesterone levels as a marker for corpus luteum function in aborters versus non-aborters."

3. "Therapeutic regimes to induce ovulation in women with ovarian failure."

4. "Empirical therapy of the male with clomiphene in couples with unexplained infertility."

Panel Discussion Symposiums

1. Male infertility - what's really new?

2. Stump the experts.

3. Diseases affecting infertility.

31. Pacific Coast Fertility Society, Palm Springs, California, April, 1988.

"The clinical significance of the hypo-osmotic swelling (HOS) test."

32. 8th International Congress of Endocrinology, Kyoto, Japan, July, 1988.

1. "The clinical correlation of the progestogen associated endometrial protein (PEP) with the endometrial biopsy."

2. "Comparative clinical effect of spironolactone versus amphetamine for idiopathic orthostatic edema."

33. American Fertility Society, 44th Annual Meeting, Atlanta, Georgia, October, 1988.

1. "The Clinical Correlation of the Progestogen Associated Endometrial Protein (PEP) with the Endometrial Biopsy."

2. "Treatment of Luteinized Unruptured Follicle Syndrome in Infertility Patients."

3. "Effect of Age on Infertility Therapy."

34. Dr. C.L. Jhaveri, I,F.R.P. oration award lecture on "Recent Advances Management of Infertility", November 26, 1988, Bombay, India.

35. AIDS Awareness Conference, Key West, Florida, December, 1988.

Transmission of sexually transmitted diseases (STD) by donor semen."

36. Fifth World Conference on Infectious Diseases and Human Infertility, Cairo, Egypt, January 12-15, 1989.

"Failure of Positive Chlamydia Trachomatis Antibody Levels to Correlate with Infertility."

37. VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, Jerusalem, Israel, April, 1989.

1. "CA-125 levels in in vitro fertilization-embryo transfer pregnancies versus natural pregnancies."

2. "Correlation of computerized semen analysis and IVF-ET percent fertilization."

3. "Results of in vitro fertilization-embryo transfer (IVF-ET) in women with ovarian failure."

4. "Serum progestogen - associated endometrial protein (PEP) levels in conception versus non-conception cycles in patients undergoing in vitro fertilization-embryo transfer (IVF-ET)."

5. "In vitro fertilization-embryo transfer for unexplained infertility (IVF-ET) - a unique case report."

38. International Meeting of Pregnancy Loss, Tel Aviv, Israel, April, 1989.

1. "A challenge to the concept that spontaneous abortion is inevitable when the serum progesterone is less than 15 ng/ml.

2. "Progesterone therapy to decrease spontaneous abortions."

3. "Late first and early second trimester abortions in women demonstrating early first trimester elevations in CA-125."

39. American Society of Andrology 14th Annual Meeting, New Orleans, LA, April, 1989.

1. "Addition of sperm free donor seminal plasma to low volume antegrade ejaculate in men with retrograde ejaculation."

2. "Routine semen analysis versus computer automated semen analysis to predict male fertility potential."

3. "The hypo-osmotic swelling test as an adjunct to the semen analysis as a prediction of fertility potential."

40. Pacific Coast Fertility Society, Palm Springs, Nevada, April, 1989.

"Treatment of cervical factor in infertility patients."

41. American Society for Medical Technology and the American Medical Technologists, King of Prussia, Pennsylvania, April, 1989.

"Immunologic Aspects of Infertility."

42. IV International Congress of Andrology, Florence, Italy, May, 1989.

1. "Addition of sperm free donor seminal plasma to low volume antegrade ejaculate in men with retrograde ejaculation."

2. "Routine semen analysis versus computer automated semen analysis to predict male fertility potential."

3. "The hypo-osmotic swelling test as a useful adjunct to the semen analysis to predict fertility potential."

43. The American College of Obstetricians and Gynecologists, Annual Meeting, Atlanta, Georgia, May, 1989.

"Very high CA-125 level as a possible predictor of spontaneous abortion."

44. American Society for Medical Technology, 57th Annual Meeting and Exposition, Washington, DC, June, 1989.

"Elevated CA-125 levels in pregnancy."

45. European Society of Human Reproduction and Embryology, 5th Annual Meeting, Malmo-Copenhagen, June, 1989.

1. "Pelvic sonography can predict ovum release in gonadotropin treated patients."

2. "Measurement of serum progestogen associated endometrial protein (PEP) not helpful in predicting infertility or spontaneous abortion."

46. Assisted Reproductive Technology/Andrology, 2nd World Meeting, Casablanca, Morocco, September, 1989.

1. "Non-invasive techniques for improving fertility potential of retrograde ejaculates."

2. "Laboratory methods of achieving human sex preselection."

3. "Evaluation and treatment of a male factor component to unexplained infertility."

4. "Transmission of STD by donor semen."

5. Workshop on advanced methods for evaluating semen.

6. Workshop on methods of freezing embryos and spermatozoa.

47. XIII World Congress on Fertility and Sterility, IFFS 89, Marrakesh, Morocco, October, 1989.

1. "Ovulation induction and pregnancies in women with ovarian failure."

2. "The results of chlamydia trachomatis antibody testing should not influence patient/doctor decision on performing tubal studies."

3. "A clinical evaluation of the Pipelle^R endometrial suction curette (Pipelle de Cornier^TM) for timed endometrial biopsies."

4. "Ectopic pregnancy resulting from microsurgical fallopian tube transposition."

5. "Low 17 hydroxy progesterone levels during first trimester predictive of spontaneous abortion."

48. American Fertility Society 45th Annual Meeting, November 11-16, 1989.

1. "Premature luteinization in unstimulated cycles in infertile women and its treatment."

2. "Male sex selection following swim-up technique and insemination in gonadotropin-treated women."

3. "Pitfalls in the use of a single rapid progesterone assay to diagnose early ectopic pregnancies."

49. 33rd Pan American Conference on Fertility and Sterility, Dominican Republic, February 3-10, 1990.

1. "Evaluation of the semen analysis in determining the role of male factor in infertility."

2. "Elevated early first trimester CA-125 levels may be predictive of fetal anomalies."

3. "Donor egg IVF versus attempts to induce ovulation in women with ovarian failure."

4. "Influence of serum progesterone levels at the time of hCG on the release of ova during hMG cycles."

Panel Discussion Symposiums

1. Who should treat the infertile male?

2. Quiz the experts.

3. Who should be doing IVF-ET?

4. Can "runaway" fertility therapy be reined in before it is rained out?

Annual Symposium

1. Quiz the experts.

50. Present and Future Reproduction, Naples, Italy, March 25-26, 1990.

1. "Improved fertility rates for ovulation disorders may need to alter present methods of employing "fertility drugs."

2. "New concepts and questions arising from an egg donation program."

51. American Society of Andrology 1990 Meeting, Columbia, South Carolina, April 6-9, 1990.

1. "Computer assisted semen analysis parameters and hypo-osmotic swelling change with advancing age."

2. "Comparison of fresh versus frozen donor seminal plasma for enhancing motility in asthenospermic semen samples."

3. "Correlation of WHO grading system of motility versus linearity and velocity from computerized semen analysis (including prediction of fertility potential)."

4. "Motile density not predictive of sperm fertilization potential as determined by pregnancies achieved using therapeutic insemination with donor."

5. "Sperm morphology as a predictive of male fertility potential."

52. Pacific Coast Fertility Society 38th Annual Meeting, Scottsdale, Arizona, April 25-29, 1990.

1. "Small for dates crown rump length and sac size predictive of spontaneous abortion despite fetal viability."

2. "Comparison of techniques for ovulation induction in women with hypergonadotropic amenorrhea."

53. Thirty Eight Annual Clinical Meeting Of The American College Of Obstetricians and Gynecologists, San Francisco, California, May 7-10, 1990.

1. "Ipsilateral versus contralateral ovary selection for dominant follicle in succeeding cycle."

2. "Decreased preterm delivery with natural progesterone."

54. The 7th Reinier DeGraaf Symposium, Maastricht, The Netherlands, May 30 - June 2, 1990.

"Evidence for the existence of a pure corpus luteum deficiency."

55. 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities And Limits, Tremezzo (Como), Italy, June 1-2, 1990.

1. "Subtle motility abnormalities diagnosed by computer assisted semen analysis not found to correlate with fertile males better than conventional analysis."

2. "Evaluation of the Kruger strict method for sperm morphology in predicting infertile males."

3. "Correlation of male subfertility with low hypo-osmotic swelling scores even when the semen analysis is normal."

4. "The use of therapeutic insemination to demonstrate the inadequacy of present WHO standards for normal motile density in distinguishing fertile from nonfertile males.

5. "Determination of the clinical significance of antisperm antibodies using an in vitro insemination technique."

6. "Endpoint of first stage zona pellucida-induced acrosome reaction in mouse spermatozoa characterized by acrosomal H+ and Ca²+ permeability: a possible model for the human sperm."

56. International Symposium of Assisted Reproductive Technology/Andrology (ARTA) 1990, Malaga, Spain, June 21-23, 1990.

1. "Male factors in unexplained infertility."

2. "Sex preselection: laboratory methods."

3. "Cryopreservation of 2-8 cell human embryos."

4. "Improving fertility potential of retrograde ejaculates."

5. "Semen analysis for ARTA: Techniques/pitfalls

6. "Poor hypo-osmotic swelling test results from cryopreserved-thawed sperm despite preservation of sperm motility."

7. "The use of donor sperm as a probe to uncover subfertility even in males with normal motile density."

8. "Motility as a predictor of fertility potential of human spermatozoa."

9. "The use of the Kruger strict criteria of sperm morphology in non-IVF cycles."

10. "Effect of advancing age on semen parameters."

11. "The usefulness of the immunobead assay in evaluating male factor and cervical factor for antisperm antibodies."

57. VII World Congress On Human Reproduction, Helsinki, Finland, June 26-July 1, 1990.

1. "Correlation of serum progestogen associated endometrial protein levels with endometrial biopsies, serum steroid levels, and therapy for luteal phase defects."

2. "Efficacy of intrauterine insemination versus sexual relations versus intracervical insemination for treatment of cervical factor."

58. American Society for the Immunology of Reproduction (ASIR), Chicago, Illinois, June 20-23, 1990.

"The effect of antisperm antibodies in the male semen quality, post-coital results and pregnancy outcome.

59. European Society of Human Reproduction and Embryology, 90, European Sterility Congress Organization, II Joint Meeting, August 29th - September 1st, 1990, Milan-Italy.

"Periderm abnormalities may be predicted by elevated CA-125 levels during first few weeks following conception"

"Sonographic clues to predict subsequent intrauterine fetal demise despite demonstration of viability at eight weeks"

60. III World Conference on Fallopian Tube in Health and Disease, Kiel, West Germany, July 3-6, 1990.

1. "Serum progesterone and 17-hydroxyprogesterone in the diagnosis of ectopic pregnancies.

2. "Poor correlation of positive chlamydia trachomatis antibody test and infertility in a middle class population."

61. American Fertility Society 46th Annual Meeting, Washington, D.C., October 13-18, 1990.

1. "A guanine nucleotide-binding regulatory protein in human sperm mediates acrosomal exocytosis induced by the human zona pellucida."

2. "Results of cryopreservation of human embryos using a modified one-step method."

3. "Evidence supporting the hyperstimulation regimen as a negative factor for in vitro fertilization pregnancies."

62. 34th Pan American Conference on Fertility and Sterility, Antigua, West Indies, January 26 - February 2, 1991.

1. "Intrauterine insemination without hyperstimulation: Is it useful in infertility cases?"

2. "Can untreated luteal phase defects lead to a higher rate of pre-term deliveries?"

Panel Discussion Symposium

1. Follicle Stimulation: When and How, or Why Bother?

63. Pacific Coast Fertility Society, Indian Wells, California, April 10-14, 1991.

1. "Influence of sonographically determined endometrial thickness and growth on pregnancy rates in IVF-ET cycles."

2. "Effects of follicle stimulating drugs on serum androgen levels and subsequent consequences on pregnancy rate."

3. "The effect of the short follicular phase on subsequent conception."

4. "Comparison of the effect of a long vs ultra-short gonadotropin releasing hormone regimen on IVF-ET statistics."

5. Luteal phase support: Comparison of high and low dose progesterone therapy on pregnancy rates in an in vitro fertilization program."

64. American Society of Andrology, 1991 Annual Meeting, Montreal, Canada, April 27-30, 1991.

1. "Detrimental effect of cryopreservation on human sperm viability."

2. "The use of the Kruger Strict test for sperm morphology in distinguishing the fertile from subfertile male."

3. "Motile density levels distinguishing fertile from subfertile males."

4. "The effect of clomiphene citrate on sperm morphology."

65. Thirty ninth Annual Clinical Meeting of the American College of Obstetrics and Gynecologists, New Orleans, Louisiana, May 6-9, 1991.

1. "Elevation of first trimester 17-hydroxyprogesterone levels despite the absence of corpora lutea."

66. 7th Workshop on Multiple Pregnancy, Berlin, May 30-June 1, 1991.

"A conservative treatment protocol with human menopausal gonadotropins aimed at reducing multiple births"

"The effects of multiple gestation and selective reduction on fetal outcome"

"Fetal outcome in patients whose uteri have decreased volume (2 case reports)"

67. Assisted Reproductive Technology/Andrology, Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

1. "Comparison of pregnancy rates following a 3 day follicular phase short leuprolide acetate hyperstimulation regimen to the traditional long leuprolide (luteal phase) protocol"

2. "Measurement of 17-hydroxyprogesterone levels during the first trimester of donor oocyte pregnancies"

3. "Cryopreservation of human embryos using a shorter cooling program and a single step removal of cryoprotectant during thawing"

4. Increased endometrial thickness at time of hCG is associated with an increased pregnancy rate following IVF-ET and a leuprolide-acetate-hMG hyperstimulation protocol"

5. "Comparison of pregnancy rates in donors and recipients using the same pool of oocytes"

6. "A randomized prospective study comparing the influence of two different dosages of luteal phase progesterone therapy on pregnancy and abortion rates following IVF-ET"

7. "The donor oocyte program - what it can teach us about the semen analysis as a predictor of fertilization"

8. "An evaluation of women with zero percent fertilization in an in vitro fertilization program"

9. "The evaluation of sperm morphology using Kruger's strict criteria"

10 "Effect of antisperm antibodies on the computerized semen analysis"

11 "Effect of swim-up, Percoll, and Sephadex sperm separation methods on the hypo-swelling test"

12 "Some insight as to why cryopreserved sperm may have reduced fertility potential and attempts to improve it"

13 "Evidence for the existence of a cryo-labile motility enhancing factor in human seminal plasma"

14. "The effect of antisperm antibodies on post-coital results and the effect of intrauterine insemination on pregnancy outcome"

15. "The importance of semen parameters and the use of IVF-ET to identify male factor"

68. 7th Annual Meeting of the European Society of Human Reproduction and Embryology, Paris, France, June 28-30, 1991.

1. "Comparison of first trimester serum estradiol levels in aborters versus non-aborters"

2. "Effect of swim-up, Percoll, and Sephadex sperm separation methods on the hypoosmotic swelling test"

3. "The effect of follicle maturing drugs on influencing side of ovulation on succeeding cycles"

69. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

1. "An evaluation of women with zero percent fertilization in an in vitro fertilization program"

2. "Comparison of pregnancy rates following a 3 day follicular phase short leuprolide acetate hyperstimulation regimen to the traditional long leuprolide (luteal phase) protocol"

3. "Measurement of 17-hydroxyprogesterone levels during the first trimester of donor oocyte pregnancies"

4. "Cryopreservation of human embryos using a shorter cooling program and a single step removal of cryoprotectant during thawing"

5. "Comparison of pregnancy rates in donors and recipients using the same pool of oocytes"

6. "A randomized prospective study comparing the influence of two different dosages of luteal phase progesterone therapy on pregnancy and abortion rates following IVF-ET"

7. "The donor oocyte program - what it can teach us about the semen analysis as a predictor of fertilization"

8. "Increased endometrial thickness at time of hCG is associated with an increased pregnancy rate following IVF-ET and a leuprolide-acetate hMG hyperstimulation protocol"

70. The American Fertility Society, Orlando, Florida, October 19-24, 1991.

1. "Comparison of androgen and other hormone levels throughout the IVF cycle in pregnant vs nonpregnant patients"

2. "A randomized prospective study comparing pregnancy rates following clomiphene citrate or human menopausal gonadotropin therapy"

3. "Analysis of serum hCG levels in normal, singleton, multiple and abnormal pregnancies"

71. Women's Health Care in the 90's, Lake Buena Vista, Florida, February 16-19, 1992

1. "Modern Methods of Diagnosing and Treating Ovulation Disorders"

2. "Male Factor Infertility - What Role Does the Female Partner Play"

72. 39th Annual Meeting of the Society for Gynecologic Investigation, San Antonio, Texas, March 18-21, 1992.

1. "Evidence for a paracrine interaction between progesterone and hCG secretion in the first trimester placenta"

73. American Society of Andrology, 1992 Annual Meeting, Bethesda, Maryland, March 27-30, 1992

1. "Comparison of a rapid cryopreservation technique using test-yolk buffer to the standard procedure on semen parameters"

2. "Comparison of human seminal plasma versus human tubal fluid media on the motility of cryopreserved thawed sperm"

3. "Effect of percoll discontinuous density gradients vs spermprep^TMII vs sephadex gel filtration on semen parameters"

4. "Comparison of modified swim-up, mini percoll and sephadex G-10 sperm washing procedure on semen parameters"

74. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

1. "The effect of clomiphene citrate therapy on post coital tests in successive treatment cycles and the response to estrogen therapy"

2. "The effect of endometrial thickness and echo pattern on IVF outcome in donor oocyte-embryo transfer cycles"

3. "The use of a short course of leuprolide acetate vs hCG to release oocytes in hMG treated women"

4. "Inhibitory effect of insulin on hCG secretion in the first trimester placenta in vitro"

5. "Anticarcinogenic and antimutagenic potential of the placenta in vitro in the first trimester"

6. "Effect of progesterone replacement in the luteal phase in women without follicular maturing drugs on the corpus luteum function"

75. 40th Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Las Vegas, Nevada, April 26 - April 30, 1992

1. "Options for preventing complications from high order multiple gestations resulting from hMG therapy"

76. Second International Capri Conference, Neuroendocrine and Peripheral Disorders of Female Reproductive System: Pathophysiology and Therapies, Capri, Italy May 22-26, 1992.

1. "Comparison of hCG vs GnRH-analog in releasing oocytes following ultra-low dose gonadotropin stimulation."

77. The Proceedings of the 3rd World Congress on Endometriosis, Brussels, Belgium, June 1-3, 1992.

1. "The relationship of CA-125 throughout the menstrual cycle and endometriosis"

78. 8th Annual Meeting of the European Society of Human Reproduction and Embryology, Hague, Netherlands, July 5-8, 1992

1. "Stability of the hypo-osmotic swelling test over time"

2. "The relationship of sperm motile density, strict morphology and HOS scores to pregnancy and fertilization rates in IVF-ET"

3. "A prospective study to evaluate the efficacy of modified swim-up preparation for male sex selection"

79. 20th World Congress of Medical Technology, Ireland, July 26-31, 1992.

1. "Membrane based RIA versus automated MEIA for the detection of IgG antibodies to cytomegalovirus"

80. ARTA Twin Conferences, Tossa de Mar, Costa de Bravo, Spain, August 18-20, 1992

1. "Role of progesterone in prevention of early pregnancy loss and supportive implantation"

2. "Pregnancy rates in donors/recipients using the same pool of oocytes"

3. "Pregnancy rate and outcome of embryo transfer: Dorsal lithotomy vs knee-chest position: A randomized prospective study"

4. "Effect of fresh seminal plasma on cryopreserved thawed sperm on motility/HOST"

5. "Pregnancy rates using different hormonal stimulations for frozen embryo replacement cycles"

6. "Rapid cryopreservation technique using test yolk buffer to the standard procedure/semen parameters"

7. "The role of endometrial thickness in predicting IVF success"

8. "Hypo-osmotic swelling test (HOS): its stability/reproducability over time"

81. ARTA Twin Conferences, Munich, Germany, August 22-23, 1992

1. "Role of semen parameters in predicting fertilization/pregnancy outcome following IVF"

2. "Effect of serum sperm antibodies in women on embryo quality/pregnancy outcome following IVF a controlled study"

3. "Comparative role of GnRH in pituitary/placental gonadotropin section"

4. "Diabetic like conditions modify the endocrine function of first trimester human placenta in vitro"

5. "Comparative effects of GnRH/cAMP on hCG secretion by placental explants in dynamic and static cultures"

6. "Election to be a donor in a shared oocyte program"

7. "Therapeutic IUI for cervical factor: a controlled evaluation"

8. "Effect of maternal cigarette smoking on placental secretion in vitro"

9. "Metabolism of xenobiotics in human placentas of early pregnancy"

82. Ninth International Congress of Endocrinology, Nice, France, August 30 - September 5, 1992

1. "Spontaneous ovulation and successful pregnancy despite bilateral streaked ovaries"

2. "The effect of the age of the recipient on pregnancy rates following donor oocyte replacement"

3. "Correlation between midcycle LH with estradiol and progesterone levels in natural cycles"

83. 5th International Congress of Reproductive Immunology, Rome, Italy, August 31 - September 3, 1992

1. "The frequency of antisperm antibodies on the cervical mucus of women with poor post-coital tests and their effect on pregnancy rates"

2. "The value of addition of progesterone therapy to leukocyte immunization for the prevention of the spontaneous abortion in primary aborters"

3. "Effect of test yolk buffer on eluting antisperm antibodies from the sperm"

4. "The effect of positive sera antisperm antibodies on in vitro pregnancy and spontaneous abortion rates"

84. 48th Annual Meeting of the American Fertility Society, New Orleans, Louisiana, October 31 - November 5, 1992

1. "The effect of retinoic acid and its teratogenic derivatives on hCG secretion by the first trimester placenta in vitro"

2. "Effect of age of oocyte donors on pregnancy rates in a shared-oocyte in vitro fertilization (IVF) program"

3. "The influence of the serum progesterone level at the time of hCG on subsequent pregnancy rates from in vitro fertilization-embryo transfer (IVF-ET)"

85. The American College of Obstetricians and Gynecologists 1992 District III Annual Meeting, Costa del Sol, Spain, November 9-13, 1992

1. "The correlation of pregnancy rates with endometrial thickness and endometrial echo patterns prior to hCG following various controlled hyperstimulation regimens"

2. "A retrospective study to investigate the relationship of elapsed time between hCG injection to retrieval of first oocyte in IVF-ET to IVF outcome"

86. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992.

1. "A simplified method for cyropreservation of human embryos"

2. "Can abnormal semen parameters truly identify the subfertile male"

3. "The use of ultrasound to predict late first and early second trimester spontaneous abortions despite prior viability demonstrated"

4. "Monitoring pre-transfer endometrial thickness and sonographic echo pattern useful in improving in vitro fertilization (IVF) pregnancy rates"

5. "The importance of the luteinized unruptured follicle (LUF) syndrome as a complication of gonadotropin therapy"

6. "A study of failed fertilization following IVF using both donor sperm and oocyte probe"

7. "Comparison of pregnancy rates in donors vs recipients in a shared oocyte program"

8. "Estradiol deficiency associated with spontaneous abortion even when adequate progesterone levels are maintained"

9. "Diagnostic importance of serum CA-125 in non-malignant disorders"

87. New Concepts in Maternal Fetal Medicine, Gynecologic Oncology, & Reproductive Endocrinology and Infertility. Cooper Hospital University Medical Center, Camden, New Jersey, March 7, 1993.

1. "The use of sonography and hormonal assays in the diagnosis and treatment of ovulatory disorders"

88. Beringer Research and Development, Indianapolis, Indiana, March 8, 1993.

1. "Importance of hormonal assays in different aspects of reproductive endocrinology"

89. Insights Into Infertility - A Resolve/Serono Symposium for Patients and Health Professionals Concerned with Infertility Issues. Thomas Jefferson Alumni Hall, Philadelphia, Pennsylvania, March 21, 1993

1. "Ovulation Dysfunction and Induction"

90. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993

1. "The relationship of the luteinized unruptured follicle syndrome with the serum progesterone level at the time of hCG administration"

2. "Premature luteinization as a cause of infertility in unstimulated cycles"

3. "Aggressive treatment with high dose progesterone in women with very low first trimester progesterone levels may salvage a majority of "inevitable spontaneous abortions"

4. "To evaluate whether the availability of intrauterine insemination (IUI) improves pregnancy rates with clomiphene citrate to comparable rates for gonadotropin therapy"

5. "A randomized prospective study comparing pregnancy rates following treatment of luteal phase deficiency with either follicle maturing drugs or luteal phase support with progesterone"

6. "Does a higher serum progesterone level at the time of hCG reduce IVF-ET pregnancy rates?"

7. "Evidence that mild endometriosis is not a cause of spontaneous abortion (SAB)"

8. "A randomized study to evaluate whether surgical removal of stage I and stage II endometriotic implants improves fertility rates"

9. "Usefulness of placental protein 14 (PP14) as a replacement for the endometrial biopsy"

10. "The use of gonadotropin releasing hormone agonists (GnRHa) for oocyte release in gonadotropin treated patients"

11. "The importance of sonographic determination of endometrial thickness (ET) and echo patterns in IVF-ET"

12. "Effect of natural cycles vs estrogen replacement vs follicle maturing drugs on pregnancy rates in frozen embryo transfer"

13. "Effect of a 3 day course of a GnRH agonist on inhibiting premature luteinization (PL) in IVF-ET"

14. "Correlation of FSH measurement by chemiluminescence vs radioimmunoassay method"

15. "Antisperm antibody (ASA) in the female not associated with an increased risk of spontaneous abortions (SAB)"

16. "The relationship of elapsed time (ETM) between hCG injection to oocyte retrieval to IVF outcome"

17. "Decreased spontaneous abortion rate in progesterone treated women given leukocyte immunization"

18. "Treatment of women with hyperprolactinemia and luteal phase defects"

19. "The clinical effects of positive antisperm antibodies (ASA) in cervical mucus"

20. "Pregnancy and spontaneous abortion rates in women with septate uteri transected by a new laser technique (Neodymium-YAG laser)"

91. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993

1. "Embryo transfer techniques as a cause of ectopic pregnancy in in vitro fertilization"

2. "The use of a shared-donor oocyte program to evaluate the effect of uterine senescence"

3. "Progesterone levels prior to hCG determined by RIA method superior to enzyme immunoassay method in predicting which IVF patients are more likely to conceive"

4. "A prospective study comparing a 36 vs 38 hour time interval from hCG to oocyte retrieval on subsequent pregnancy rates"

5. "Evaluation of stability of decline of pregnancy rate with succeeding cycles of IVF-ET as determined by cumulative probability of pregnancy"

6. "Evaluation of whether using hCG to stimulate oocyte release helps or decreases pregnancy rates following intrauterine insemination"

7. "Comparison of pregnancy rates among donors and recipients according to the serum progesterone level at time of hCG in a shared-oocyte IVF program"

8. "The relationship of endometrial thickness and echo patterns and pregnancy rates in non-IVF cycles"

9. "Adverse effect of a homogeneous hyperechogenic endometrial sonographic pattern on IVF-ET pregnancy rates"

10. "Comparison of IVF outcome following the flare-up vs clomiphene citrate-hMG controlled ovarian hyperstimulation protocols for poor responders: A prospective study"

92. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993.

1. "Male female sex ratio in births resulting from IVF according to swim-up vs percoll preparation of inseminated sperm"

2. "The efficacy of intrauterine insemination for cervical and male factor without superovulation"

3. "Comparison of sperm treatments for men with antisperm antibodies"

4. "Comparison of post-thaw semen parameters of sperm separated from seminal plasma by either percoll or sephadex G-15 (sperm prep II) prior to freezing vs non-separated frozen sperm"

5. "Evaluation of trehalose and proline as natural cryoprotectants of human sperm"

6. "Comparison of a rapid vs conventional freezing method on the semen parameters of sperm that have been separated by percoll prior to freezing.

93. Vth International Congress of Andrology, Tokyo, Japan, May 2-61, 1993.

1. "Test yolk buffer fails to reduce levels of antisperm antibodies as measured by immunobead test"

2. "Attempts to improve the quality of cryopreserved thawed sperm"

3. "Effect of various sperm separation techniques on semen parameters and on functional integrity of sperm membrane"

4. "Correlation of hypo-osmotic swelling results and pregnancy outcome"

5. "Evaluation of sperm preparation techniques for men with antisperm antibodies"

6. "Poor correlation of sperm morphology using strict criteria with either in vivo or in vitro pregnancy rates"

7. "Poor correlation of motile sperm density with pregnancy rates in vivo and in vitro"

8. "Evaluation of antisperm antibodies in women with poor post-coital results"

9. "The treatment of male subfertility with fresh seminal plasma"

10. "A highly effective simple technique for achieving male sex pre-selection"

94. Forty-First Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Washington, D.C., May 3-6, 1993.

1. "The importance of daily periovulatory sera progesterone levels in addition to LH levels for better prediction of time of ovulation for intrauterine insemination"

2. "The relationship of endometrial thickness with pregnancy rates in frozen embryo transfer cycles"

3. "A challenge to the concept of "tubal reflux" to explain the rise and fall of serum CA-125 during the first trimester"

95. 75 Annual Meeting of the Endocrine Society, Las Vegas, Nevada, June 9-12, 1993.

1. "Mid-cycle steroidal levels following ultra-low dose pure FSH stimulation versus combined FSH-LH stimulation"

96. The Triggering of Ovulation in Stimulated Cycles: hCG or LH? Bordeaux, France, June 19-20, 1993.

1. "The use of leuprolide acetate for oocyte release and advancement of meiosis in gonadotropin stimulated cycles"

97. 9th Annual Meeting of the European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993.

1. "Effect of natural antioxidants tocopherol and ascorbic acid in maintenance of sperm activity during freeze-thaw process"

2. "The use of IVF-ET pregnancies from patients with tubal occlusion to help determine the etiology for the increase in first trimester CA-125 levels"

3. "The relationship of mid-cycle steroids and follicle diameter as determined by pregnancy cycles following a single intrauterine insemination"

4. "Pregnancies following in vitro fertilization (IVF) in women with high early follicular phase FSH levels without donor oocytes"

5. "Comparison of pregnancy rates by age of recipient in a shared oocyte program"

6. "Reduced pregnancy rates following frozen embryo transfer into women with thinner endometrial"

7. "Improved pregnancy rates after treating sperm positive for antisperm antibodies with chymotrypsin-galactose"

8. "A platelet related pregnancy factor in diagnosis of early pregnancy"

9. "The relationship of endometrial thickness and echo pattern to endometriosis"

98. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993.

1. "New treatment for male factor secondary to antisperm antibodies"

2. "A study to determine the ideal interval from hCG injection to retrieval to GnRHa hMG stimulated patients"

3. "A method to increase y body sperm concentration and increase male offspring"

4. "A modification of a bovine embryo freezing technique for human use: Pregnancy rates according to endometrial stimulation protocol"

5. "Is intrauterine insemination a helpful treatment for male infertility?"

6. "A controlled study to determine if fresh seminal plasma can improve the motility of frozen thawed sperm"

7. "Can the reduction of glycerol through the use of other natural cryoprotectants improve semen parameters on cryopreserved thawed sperm"

8. "Effect of different separation techniques to sperm cryopreservation on post-thaw semen parameters"

9. "Rapid freezing technique results in better post-thaw semen parameters than conventional freezing on sperm separated by percoll prior to freezing"

10. "Reduced pregnancy rates related to the aged uterus may be at least partly if not completely remediable"

99. 26th Annual Meeting for the Society for the Study of Reproduction, Fort Collins, Colorado, August 1-4, 1993.

1. "Comparison of gonadotropin and steroidal hormone levels prior to human chorionic gonadotropin injection following controlled ovarian hyperstimulation with pure FSH vs human menopausal gonadotropins in patients down-regulated with leuprolide acetate"

100. 8th Reinier de Graaf Symposium, Amsterdam, Netherlands, September 2-4, 1993

1. "Can in vitro fertilization be successful in women with elevated serum follicle stimulating hormone levels"

101. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993.

1. "Up to what age should a woman be allowed to donate oocytes in a shared oocyte IVF program"

2. "Pregnancy rates using a rapid cryopreservation according to different hormonal replacement protocols.

3. "Prediction of pregnancy rates according to serum progesterone (P) at the time of hCG according to methodology of measuring P (RIA vs non-isotopic method)".

4. "Does the method of serum preparation for in vitro fertilization-embryo transfer (IVF-ET) influence the male female sex ratio".

5. "Decreased pregnancy rates have been seen in patients having IVF-ET when the endometrial thickness was <10mm or a homogeneous hyperechogenic echo pattern was seen at the time of hCG injection".

6. "Higher ectopic pregnancy rates associated with embryo transfer <15mm from fundus".

7. "Certain endometrial echo pattern at time of human chorionic gonadotropin (hCG) associated with reduced pregnancy rates following in vitro fertilization".

8. "Adverse effect of high serum progesterone (P) level at time of hCG on subsequent IVF pregnancy rates related to adverse effect on endometrium rather than oocytes as evidenced by shared donor oocyte program".

9. "Factors influencing reduction in IVF pregnancy rates (PRs) in succeeding cycles using cumulative probability of pregnancy".

10. "A prospective study to determine the appropriate time interval from hCG to retrieval in patients using leuprolide acetate-human menopausal gonadotropin controlled ovarian hyperstimulation".

11. "Thinner endometria may explain the reduced pregnancy rates in older donor oocyte recipients".

12. "Evaluation of two controlled ovarian hyperstimulation (COH) protocols for older patients undergoing in vitro fertilization (IVF) or those with increased basal FSH levels or previous poor responders".

13. "Importance of sonographic studies of endometrial thickness (ET) in recipients of donor oocytes".

14. "Fertilization/pregnancy rates during IVF following controlled ovarian hyperstimulation (COH): Is there an effect of increased mid-cycle androgen levels".

102. Second Conference on The Endometrium, Bologna, Italy, September 20-22, 1993

1. "The use of the donor oocyte program to evaluate embryo implantation"

103. The American College of Obstetricians and Gynecologists 1993 District III Annual Meeting, Atlantic City, NJ, September 26-29, 1993

1. "The correlation of maternal age and multiple gestation in an infertile population"

2. "The correlation of mid-cycle and mid-luteal sonographic endometrial thickness and echo patterns with endometrial biopsies"

3. "In vitro fertilization results in patients with elevated serum FSH levels"

4. "A randomized prospective study evaluating the addition of leukocyte immunization to progesterone therapy to prevent spontaneous abortion in primary aborters"

104. 49th Annual Meeting of the American Fertility Society, Montreal, Canada, October 9-14, 1993.

1. "The correlation of the hypo-osmotic swelling (HOS) test with outcome of in vitro fertilization-embryo transfer (IVF-ET)"

2. "Survival and pregnancy rates of pronuclear stage human embryos cryopreserved and thawed using a single step addition and removal of cryoprotectant"

3. "A comparison of in vitro fertilization (IVF) pregnancy rates following a down-regulated controlled ovarian hyperstimulation (COH) protocol with randomization of follicular stimulation with human menopausal gonadotropin (hMG) versus pure FSH - A preliminary study"

4. "Pregnancies following in vitro fertilization (IVF) for severe male factor without using micromanipulation"

5. "A serum test to determine fertilization prior to detection of beta human chorionic gonadotropin (hCG)"

105. 3rd World Congress on Ultrasound in Obstetrics and Gynecology, Las Vegas, Nevada, October 24-28, 1993.

1. "Sonographic diagnosis of luteinized unruptured follicle syndrome in women treated with human menopausal gonadotropins"

2. "The relationship of endometrial thickness with pregnancy rates in frozen embryo transfer cycles"

3. "The correlation of pregnancy rates with endometrial thickness and endometrial echo patterns prior to hCG following various controlled hyperstimulation regimens"

106. Joint Taiwan and China Biomedical Meeting, Taipei, Taiwan, November 11-12, 1993.

1. "Method for achieving male sex preselection"

107. Fiftieth Laurentian Hormone Conference, Palmas Del Mar, Puerto Rico, November 13-17, 1993.

1. "Efficacy of GnRH agonists to induce ovulation following low dose hMG stimulation"

108. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994.

1. "The relationship of strict sperm morphology and the hypo-osmotic (HOS) test to fertilization and pregnancy rates in a shared oocyte program"

2. "Evidence for intermittent male subfertility despite normal semen parameters"

3. "Comparison of two rapid cryopreservation techniques on semen parameters of thawed specimens"

4. "The relationship of motile density to fertilization and pregnancy rates in a shared oocyte program"

5. "The importance of strict morphology in predicting male factor when motile density is normal in an IVF-ET program"

6. "Computer assisted semen analysis better defines male factor in an IVF program than either motile density or strict morphology"

109. Controversies in Obstetrics and Gynecology, Southampton Princess, Bermuda, April 15-17, 1994.

1. "Diagnosis and treatment of luteal phase defects"

110. 1994 Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994.

1. "The relationship of endometriosis and pre-hCG endometrial sonographic studies in patients undergoing in vitro fertilization embryo transfer (IVF-ET)"

2. "Evidence that cervical factor and luteal phase defects are persistent infertility factors even after successful deliveries"

3. "A randomized study comparing pregnancy rates following ultra-low dose human menopausal gonadotropin (hMG) and follicle stimulating hormone (FSH) in women with luteal phase defects related to immature follicles"

4. "Evaluation of an embryo grading system based on the evenness of the size of blastomeres and the degree of fragmentation and subsequent pregnancy rates"

5. "A preliminary matched controlled study to evaluate the effect of mycoplasma-ureaplasma on pregnancy rates following in vitro fertilization"

6. "Comparison of an enzyme-linked immunosorbent assay vs radioimmunoassay for measuring serum progesterone at low levels"

111. Ares Serono Symposia on Male Factor in Human Infertility, Neuilly Sur Seine, France, April 21-22, 1994.

1. "The use of non-micromanipulation techniques for male factor and in vitro fertilization outcome"

112. British Fertility Society, Second International Meeting, Glasgow, Scotland, May 10-13, 1994.

1. "The incidence of hyperprolactinemia in infertile females and its effect on follicular maturation"

2. "Evaluation of semen parameters for in vitro fertilization (IVF) by comparing fertilization and subsequent pregnancy rates (PR) using a common pool of human oocytes"

113. 76th Annual Endocrine Society Meeting, Anaheim, California, June 15-18, 1994.

1. "Sera gonadotropin, testosterone, and PRL levels in men with oligospermia or asthenospermia"

2. "Ovarian androgen levels decrease in euestrogenic peri-menopausal females"

114. 14th Annual Meeting of the American Society for Reproductive Immunology, Philadelphia, PA, June 22-25, 1994.

1. "Lymphocyte immunotherapy reduces spontaneous abortion rates in progesterone-treated habitual aborters"

2. "The unexplained poor post-coital test: Frequency of antisperm antibodies in cervical mucus and their effect on clinical outcome"

3. "Chymotrypsin-galactose treatment of sperm bound with antisperm antibodies results in improved pregnancy rates following in vitro fertilization"

4. "The effect of sera antisperm antibodies in the female partner on in vivo and in vitro pregnancy and spontaneous abortion rates"

115. 1994 Assisted Reproductive Technology Andrology Conference, Innsbruck, Austria, July 29 - August 1, 1994.

1. "Assessment of the importance of baseline semen parameters: MD, strict morphology and HOS tests"

2. "Male infertility: role of antisperm antibodies/new therapeutic methods"

3. "New tests on sperm physiology to evaluate male factor (SPA, acrosome reaction, hyperactivation, mannose)"

4. "The shared donor oocyte program: recent advances"

5. "The rate of oocyte damage with ICSI is extremely high compared to the other micromanipulation techniques due to the invasiveness of the procedure"

6. "Cryopreservation of embryos and sperm"

7. "Luteal phase support with assisted reproductive techniques: It is necessary?

116. Fiftieth Annual Meeting of the American Fertility Society, San Antonio, Texas, November 5-10, 1994.

1. "Relationship of early follicular phase sera FSH and LH levels as measured by a radioimmunoassay and an enzyme-linked immunosorbent assay to number of oocytes retrieved"

2. "Sera first trimester estradiol (E₂) levels better predict spontaneous abortion (SAB) than 17-hydroxyprogesterone (17-OHP) in pregnant women supplemented with progesterone (P)"

3. "The effect of consecutive cycles of clomiphene citrate (CC) therapy on endometrial thickness and echo pattern"

117. Primary Women's Healthcare, Atlantic City, New Jersey, December 11-13, 1995.

1. "Infertility for the general OB/GYN Specialist"

2. "Diagnosis and treatment of hirsutism and alopecia"

118. 4th World Congress on Gynecological Endocrinology, Madonna di Campiglio, Italy, February 12-19, 1995.

1. "Decreased spontaneous abortion rate in patients with recurrent miscarriage with progesterone therapy and lymphocyte immunotherapy vs progesterone treatment alone"

2. "An in vitro study failing to support the concept that endometriosis impairs fertility through an adverse effect on the endometrium or implantation"

119. 1995 Annual Meeting of the American Society of Andrology, Raleigh, North Carolina, March 31 - April 4, 1995.

1. "Evaluation of the effect of the absence of any sperm with forward progression either before or after sperm separation on subsequent pregnancy rates (PRs) following intrauterine insemination (IUI) or in vitro fertilization (IVF)"

2. "The prognosis for pregnancy rates in female partners of males with antisperm antibodies according to immunoglobulin class and location on sperm"

3. "Chymotrypsin/galactose treatment improves subnormal hypoosmotic swelling scores and improved fecundity following intrauterine insemination"

4. "The correlation of the hypoosmotic swelling (HOS) test on subsequent fertilization and pregnancy rates following in vitro fertilization-embryo transfer"

5. "Determination of a single semen parameter predictive of subfertility"

6. "The effect of adding pentoxifylline on the post-thaw motile density and hypoosmotic swelling test of cryopreserved sperm"

120. IX World Congress on In Vitro Fertilization and Assisted Reproduction, Vienna, Austria, April 3-7, 1995

1. "Pregnancy rates (PRs) according to endometrial thickness and echo pattern at time of hCG."

2. "An ultra-short use of leuprolide acetate works as well as longer use to prevent premature luteinization following controlled ovarian hyperstimulation"

3. "The use of donor sperm vs oocytes to evaluate the course of failed fertilization"

4. "The effect of endometrial thickness and echo pattern on IVF outcome in donor oocyte-embryo transfer cycles"

5. "Pregnancy rates decrease in oocyte donors but not in their respective recipients especially with advancing age in a shared oocyte program"

6. "An RIA by Amersham with a low coefficient of variation in the low serum P range associated with better pregnancy rate (PR) prognosis with IVF-ET"

7. "A 36 hour time of retrieval from human chorionic gonadotropin (hCG) injection may produce better pregnancy rates (PR) than a 34 hour interval"

8. "Deep-fundal rather than mid-fundal placement of embryos increases ectopic but not intrauterine pregnancy rate"

9. "EIA methods for measuring serum progesterone (P) at time of human chorionic gonadotropin (hCG) not predictive of subsequent pregnancy rates (PR)"

10. "Subtle rise in progesterone (P) at time of human chorionic gonadotropin (hCG) may have more of an adverse effect on the endometrium than the oocyte as determined by a shared oocyte program"

11. "Lowered pregnancy rates seen in IVF patients with a homogeneous hyperechogenic endometrial echo pattern prior to hCG injection"

12. "Improved pregnancy rates (PRs) in older patients or those with elevated baseline FSH levels with short flare or clomiphene-hMG hyperstimulation protocols"

13. "Standard sperm separation procedures (swim-up vs percoll methods) do not alter male-female sex ratio following IVF-ET"

14. "The use of IVF-ET pregnancies from patients with tubal occlusion to help determine the etiology for the increase in first trimester CA-125 levels"

15. "A prospective matched controlled study suggests that males with low hypo-osmotic swelling (HOS) test scores achieve lower pregnancy rates (PRs) despite normal fertilization rates"

16. "Luteinizing hormone (LH) in follicle stimulating drugs not needed despite long suppression with gonadotropin releasing hormone agonists"

17. "Cumulus removal, oocyte concentration, and use of follicular fluid improve pregnancy rates following IVF for severe male factor"

18. "Sperm morphology using strict criteria not useful in predicting poor pregnancy rates (PRs) despite adequate fertilization"

19. "Curvilinear and straight line velocity and linearity from computer assisted semen analysis (CASA) helpful to predict fertilization outcome following IVF"

20. "The relationship of endometriosis and pre-hCG endometrial sonographic studies in patients undergoing in vitro fertilization embryo transfer (IVF-ET)"

21. "Culture and treatment of mycoplasma/Ureaplasma (M/U) infection not found helpful to improve pregnancy rates following IVF"

22. "Poor fertilization rates best predicted by subnormal motile density but poor pregnancy rates (PR) prognosticated by low hypo-osmotic swelling (HOS) tests as determined by a shared oocyte study"

23. "Mild enzymatic treatment of sperm bound with antisperm antibody prior to oocyte insemination improves IVF pregnancy rates"

24. "Sera antisperm antibodies (ASA) in female partners does not reduce IVF pregnancy rates (PRs)"

25. "Pregnancy after zona drilling of cryopreserved thawed embryos"

26. "The hypo-osmotic (HOS) test predicts poor pregnancy rates (PRs) despite normal fertilization rates in a shared oocyte program"

27. "Motile density (MD) is the best semen parameter to predict poor fertilization rates as determined by a shared oocyte program"

28. "Poor strict morphology fails to identify couples with poor pregnancy rates when sperm concentration for insemination of oocytes is increased"

29. "Computer assisted semen analysis better defines male factor in an IVF program than either motile density or strict morphology"

30. "Efficacy of a simplified cryopreservation technique for zygotes"

121. 43rd Annual Meeting of The Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995.

1. "The relationship of early follicular phase sera follicle stimulating hormone (FSH) and luteinizing hormone (LH) and six month in vivo pregnancy rates (PRs)"

2. "Falsely elevated steroidal assay levels related to heterophile antibodies against various animal species"

3. "The effect of assisted hatching on pregnancy rates (PRs) following frozen embryo transfer (FET)"

4. "Pretreatment with a higher dosage of estrogen seems to negate the adverse effect of thin endometria on subsequent pregnancy rates (PRs) following frozen embryo transfer (FET)"

5. "The relationship of early follicular phase sera follicle stimulating hormone (FSH) and in vitro fertilization-embryo transfer (IVF-ET) outcome in poor responders using the flare controlled ovarian hyperstimulation (COH) regimen"

6. "The efficacy of nonassisted reproductive technology procedures for treatment of women with long-term infertility"

7. "Multicenter study to evaluate the safety and efficacy of Metrodin XP^TM administered by the subcutaneous route in WHO group II infertile women"

122. 8th International Twin Congress, Richmond, Virginia, May 28 - June 1, 1995.

1. "Relationship of sac size (SS) and/or crown rump length (CRL) to spontaneous abortion (SAB) rates in twin gestations"

2. "A comparison of beta-human chorionic gonadotropin (b-hCG) doubling times and comparison of sac size (SS), crown rump length (CRL) discrepancies in monochorionic diamniotic twins conceived by in vitro fertilization embryo transfer (IVF-ET) vs non-assisted reproductive techniques (ART)"

3. "A comparison of early gestational growth between viable twin gestations following in vitro fertilization-embryo transfer (IVF-ET) or ovulation induction therapy with non-assisted reproduction (ART)"

4. "Pregnancy outcome of twins selectively reduced from multiple gestations conceived following ovulation induction therapy"

123. XIth Annual Meeting of the European Society of Human Reproduction and Embryology, Hamburg, Germany, June 28 - July 1, 1995.

1. "The relationship of early follicular phase sera follicle stimulating hormone (FSH) and estradiol (E₂) levels with subsequent number of follicles stimulated by ultra-low dose gonadotropin therapy"

124. Sixth International Congress of Reproductive Immunology, Washington, D.C., July 19-23, 1995.

1. "Progesterone induced blocking factor seen in pregnancy lymphocytes soon after implantation"

125. 15th World Congress on Fertility and Sterility, Montpellier, France, September 17-22, 1995.

1. "An evaluation of semen parameters to determine whether subnormal levels predict low fertilization and/or pregnancy rates"

2. "A study to determine the efficacy of transferring only 1 or 2 embryos fresh or frozen in poor responders to controlled ovarian hyperstimulation"

3. "The relationship of the change in estradiol (E₂) levels from day of to day after human chorionic gonadotropin (hCG) to outcome of in vitro fertilization (IVF) using the leuprolide acetate (LA)/human menopausal gonadotropin (hMG) protocol"

126. 43rd Annual Meeting of the Society for Gynecologic Investigation, Philadelphia, Pennsylvania, March 20-23, 1996.

1. "The transfer of frozen but not freshly derived embryos from fertilization of oocytes with sperm with low hypo-osmotic swelling test scores results in a normal pregnancy rate"

2. "Detection of progesterone induced blocking factor (PIBF) in very early pregnancy correlates more with successful implantation than mere conception"

127. 44th Annual Meeting of The Pacific Coast Fertility Society, Indian Wells, California, April 17-21, 1996.

1. "The association of progesterone induced blocking factor (PIBF) and first trimester spontaneous abortion (SAB)"

2. "The effect of age on pregnancy outcome in women with elevated early follicular phase sera follicle stimulating hormone (FSH) levels"

3. "An evaluation of pregnancy outcome in women >40 undergoing in vitro fertilization (IVF)"

4. "Clinical outcome of cryopreserved human pronuclear stage embryos resulting from intracytoplasmic sperm injection"

128. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996.

1. "A challenge to the concept that the use of calcium channel blockers cause reversible male infertility"

2. "Evaluation of subnormal semen parameters and subsequent zona pellucida (ZP) thickening following in vitro fertilization (IVF)"

3. "A study of failed fertilization - relative frequency of male vs female factors and therapeutic options in next cycles"

4. "Viable pregnancies with intracytoplasmic sperm injection for poor hypo-osmotic scores"

5. "Improved results of thawed sperm cryopreserved with stage cooling with a cellevator"

6. "Comparison of thawing temperature on semen parameters of cryopreserved sperm"

129. 10th International Congress of Endocrinology, San Francisco, CA, June 12-15, 1996.

1. "A study to determine if serum follicle stimulating hormone (FSH) can be a marker for ovarian hyper-response to follicle maturing drugs for in vitro fertilization (IVF)"

130. Sixteenth Annual Meeting of the American Society for Reproductive Immunology, Knoxville, Tennessee, June 26-29, 1996.

1. "Pregnancy and spontaneous abortion (SAB) rates following lymphocyte immunotherapy (LI) in patients undergoing in vitro fertilization-embryo transfer (IVF-ET)"

2. "Lymphocyte immunotherapy (LI) increases serum levels of progesterone induced blocking factor (PIBF)"

PUBLISHED MANUSCRIPTS:

1. Check JH, Childs TC, Brady LW, Derasse AR, Fuscaldo KE: Protection against spontaneous mouse mammary adenocarcinoma by inoculation of heat treated syngeneic mammary tumor cells. Int J Cancer: 7:403-408, 1971.

2. Check JH, O'Neill EA, Fuscaldo KE: Effect of Anti-B Antiserum on the Phagocytosis Of Escherichia Coli. Infection and Immunity: 6:95-96, 1972.

3. Check JH, Damsker JI, Brady LW, O'Neill EA: Effect of radiation therapy on mumps delayed-type hypersensitivity reaction in lymphoma and carcinoma patients. Cancer: 32:580-584, 1973.

4. Check JH, Brady LW, Leipold PL, O'Neill EA: Protection against transplanted and spontaneous lymphoma by inoculation of heat-altered syngeneic tumor cells in splenectomized mice. Cancer, 34:197-203, 1974.

5. Check JH, Brady LW, O'Neill EA: Differences in the protective effect of complete Freund's adjuvant in spontaneous versus transplanted lymphomas in AKR mice. Immunology of Cancer. Prog Exp Tumor Res: 19:217-221, 1974.

6. Check JH, Rakoff AE, Goldfarb AF, Slipyan P: Anosmia and hypogonadism associated with elevated LH and multiple congenital anomalies. Am J OB-GYN: 127:889-891, 1977.

7. Check JH, Rakoff AE: Treatment of cervical factor by donor mucus insemination. Fertil Steril 28:113-114, 1977.

8. Check JH, Rakoff AE: Improved fertility in oligospermic males treated with clomiphene citrate. Fertil Steril 28:746-748, 1977.

9. Check JH, Rakoff AE, Roy BK: Induction of ovulation with combined glucocorticoid and clomiphene citrate therapy in a minimally hirsute woman. J Repro Med: 19:159-160, 1977.

10. Check JH, Goldfarb AF, Rakoff AE, Jackson L: Sexual infantilism related to adrenogenital syndrome in conjunction with a chromosomal defect. Am J Ob-Gyn: 919-920, 1977.

11. Check JH, Rakoff AE: Androgen therapy of a varicocele. J Urol: 118:494, 1977.

12. Check JH, Rakoff AE, Roy BK: A testosterone secreting adrenal adenoma. Obstet Gynecol: 51:465-475, 1978.

13. Check JH, King LC, Rakoff AE: Uncomplicated pregnancy following oral contraceptive-induced liver hepatoma. Obstet Gynecol: 52:28-29, 1978 (suppl).

14. Check JH: Emotional aspects of menstrual dysfunction. Psychosomatics: 19:178-184, 1978.

15. Check JH, Rakoff AE, Goldfarb AF, King LC: Amenorrhea-galactorrhea associated with the empty sella syndrome. Am J Ob-Gyn: 127:889-981, 1977.

16. Caro JF, Meikle AW, Check JH, Cohen SN: Normal suppression to dexamethasone in cushing's disease: An expression of decreased metabolic clearance for dexamethasone. J Clin Endocrinol Metab: 47:667-670, 1978.

17. Check JH, Caro JF, Jackson L, Nowroozi K, Rakoff AE: Clinical mixed gonadal dysgenesis without a Y chromosome. Am J Ob-Gyn: 131:346-347, 1978.

18. Check JH, Nowroozi K, Rakoff AE, Logue JG: Detection of an estrogen suppressible lipoid-cell ovarian neoplasm by bilateral ovarian venous sampling. Am J Ob-Gyn: 133:457-458, 1979.

19. Check JH, Murdock MG, Caro JF: Case report: Cystic gynecomastia in a male treated with clomiphene citrate. Fertil Steril 30:713-715, 1978.

20. Check JH, Caro JF, Kendell B, Peris LA, Wellenbach BL: Cushing's syndrome in pregnancy: Effect of associated diabetes on fetal survival. Am J Ob-Gyn: 133:846, 1979.

21. Check JH, Caro JF, Criden L, Meltz R, Brownstein K: Leydig cell responsiveness with germinal cell resistance to gonadotropin therapy in Kallman's syndrome. Am J Med 67:495-497, 1979.

22. Check JH: Emotions and infertility. Mind and Medicine, Vol 6, No 2, Feb, 1979.

23. Medical World News. A Fertile Debate: clomiphene vs varicocelectomy, April 2, 1979.

24. Medical World News. Infertility: proof drug works for men, May 1, 1978.

25. Check JH, Silverman GA, Dryden RL, Brady LW: Inhibition of spontaneous AKR Leukemia by multiple inoculations of corynebacterium parvum. Cancer: 44:488-491, 1979.

26. Check JH: Case report: Improvement of intractable acne in a male following testosterone suppression using danazol. Cutis 4:393-394, 1980.

27. Check JH: Improved semen quality in subfertile males with varicocele-associated oligospermia following treatment with clomiphene citrate. Fertil Steril 33:423-426, 1980.

28. Check JH, Avellino J: Painless thyroiditis and transient thyrotoxicosis following graves' disease. JAMA 244 (12):1361, 1980.

29. Check JH: Treatment of cervical factor with combined high dose estrogen and human menopausal gonadotropin. Fertil Steril 33:562-563, 1980.

30. Check JH: Improved spermatogenesis following treatment with bromocriptine in men with low normal serum prolactins. Infertility 3:91-96, 1980.

31. Check JH, Adelson HG: Amenorrhea-galactorrhea associated with hypothalamic hypothyroidism. Am J Ob-Gyn 139:736-737, 1981.

32. Check JH, Adelson HG: Improved fertility in normoprolactinemic women with ovulation defects treated with bromocriptine. Infertility 4:37-48, 1981.

33. Check JH, Rezvani I, Goodner D, Hopper B: Prenatal treatment of thyrotoxicosis to prevent intrauterine growth retardation. Obstet Gynecol 60:122-124, 1982.

34. Fink PJ, Check JH, Cohen SN, Fishkin RE, Jacobs JA, Weisberg M: Somatic complaints secondary to sexual dysfunction. Medical Aspects Of Human Sexuality 15:32f-z, 1981.

35. Check JH, Adelson HG, Wu CH: Improvement of cervical factor with guaifenesin. Fertil Steril 37:707-708, 1982.

36. Check JH, Wu CH, Kurtz A, Adelson HG: Combined high dose estrogen and human menopausal gonadotropins for cervical factor: Improvement with pelvic ultrasound. Infertility 5:117-124, 1982.

37. Check JH, Lublin FD, Mandel MM: Clomiphene as an anticonvulsant drug. Arch Neurol 39:784, 1982.

38. Check JH, Weisberg M, Laeger J: Sexual infantilism accompanied by congenital absence of the uterus and vagina: Case report. Am J Ob-Gyn 145:633-634, 1983.

39. Check JH: Improved fertility results with split ejaculate insemination and improved cervical mucus. Edited by ESE Hafez, K Semm, Instrumental Insemination, Martinus Nijhoff Publishers, Chapter 22, pages 157-162, 1982.

40. Check JH, Adelson HG: Improvement of cervical factor by high dose estrogen and hMG therapy with ultrasound monitoring. Obstet Gynecol 63:179-181, 1984.

41. Check JH, Krotec JW: Virilizing congenital adrenal hyperplasia with normal DHEA-sulfate. Am J Ob-Gyn 147:972-973, 1983.

42. Check JH, Goldberg BB, Kurtz A, Adelson HG, Dietterich C: Serum estradiols versus pelvic sonography in monitoring hMG therapy (Ultrasound versus estradiols for hMG therapy). Int J Fertil 30:61-63, 1985.

43. Check JH, Wu CH, Goldberg BB, Kurtz A, Adelson HG: High-dose estrogen to prevent premature spontaneous ovulation during hMG therapy: Two case reports. Infertility 7:45-52, 1984.

44. Check JH, Goldberg BB, Kurtz A, Adelson HG, Rankin A: Pelvic sonography to help determine the appropriate therapy for luteal phase defects (Sonography and luteal phase defects). Int J Fertil 29:156-158, 1984.

45. Check JH, Wu CH, Adelson HG: Decreased abortions in hMG induced pregnancies with prophylactic progesterone therapy (Progesterone added to hMG to reduce abortions). Int J Fertil 30:45-57, 1985.

46. Check JH, Gentlesk MJ, Falanga V: Sympathomimetic amines in the treatment of chronic urticaria: Two reports. Cutis 34:388-390, 1984.

47. Check JH, Chase JS, Wu CH, Goldberg BB, Adelson HG, Rankin A: Employment of pelvic sonography in the diagnosis and treatment of the cervical factor II. Int J Fertil 31:362-363, 1986.

48. Check JH, Chase JS, Adelson HG, Dietterich C: New approaches to the diagnosis and therapy of the luteinized unruptured follicle syndrome. Int J Fertil 30:29-32, 1986.

49. Check JH, Chase J: Ovulation induction in hypergonadotropic amenorrhea with estrogen and human menopausal gonadotropin therapy. Fertil Steril 42: 919-922, 1984.

50. Check JH, Wu CH, Gocial B, Adelson HG: Severe ovarian hyperstimulation syndrome from treatment with urinary follicle stimulating hormone: Two cases. Fertil Steril 43:317-319, 1985.

51. Check JH, Chase JS, Adelson HG, Dietterich C: Successful improvement of the cervical factor with a short-course treatment of high dose estrogen. Int J Fertil 31:360-361, 1986.

52. Check JH, Chase JS: Improved semen quality after a short interval second ejaculation. Fertil Steril 44:416-418, 1985.

53. Check JH, Chase JS: Ovarian pregnancy with a contralateral corpus luteum: Case report. Am J Ob-Gyn 154:155-156, 1986.

54. Check JH, Chase JS, Rankin A, Teichman M: Abortion risk in patients with ovulatory defects once viability is confirmed sonographically. Infertility 8:195-200, 1985.

55. Check JH: Use of bromocriptine in mildly hyperprolactinemic women with follicular maturation defects. Advances In Therapy 2(6), 1985.

56. Check JH, Rankin A, Teichman M: The risk of fetal anomalies as a result of progesterone therapy during pregnancy. Fertil Steril 45:575-577, 1986.

57. Check JH, Chase JS, Adelson HG, Teichman M, Rankin A: The efficacy of progesterone in achieving successful pregnancy: I. Prophylactic use during luteal phase in anovulatory women. Int J Fertil 32:135-138, 1987.

58. Check JH, Adelson HG: The efficacy of progesterone in achieving successful pregnancy: II, in women with pure luteal phase defects. Int J Fertil 32:139-141, 1987.

59. Check JH, Chase JS, Nowroozi K: Spontaneous abortion rate in patients with endometriosis treated with progesterone. Int J Fertil 32:366-368, 1987.

60. Check JH, Wu CH, Dietterich C, Lauer C, Liss J: The treatment of cervical factor with ethinyl estradiol and human menopausal gonadotropins. Int J Fertil 31:148-152, 1986.

61. Check JH, Nowroozi K, Wu CH, Liss J, Dietterich C: The use of pelvic sonography and serum estradiol and progesterone assays in diagnosis and treatment of cervical factor. Infertility 9:247-256, 1986.

62. Check JH: Hyperprolactinemia and luteal phase defects. Prolactin Disorders: Highlights of a National Symposium. Sandoz Pharmaceuticals Corporation, U.S.A., 9/26/86.

63. Check JH, Wu CH, Dietterich C, Lauer C, Liss J: Tratamiento del cervical con estogenos y gonadotropinas. Revista Lationamericana de Fertil y Steril 1:18-21, 1986.

64. Chase JS, Check JH, Nowroozi K, Wu CH: First trimester serum hCG beta-subunit levels in a tubal molar pregnancy. Am J Ob-Gyn 157(4):910, 1987.

65. Check JH, Nowroozi K, Wu CH, Adelson HG, Lauer C: Ovulation-inducing drugs versus progesterone therapy for infertility in patients with luteal phase defects. Int J Fertil 33(4):252-256, 1988.

66. Check JH, Chase JS, Nowroozi K, Wu CH, Adelson HG: Progesterone therapy to decrease first-trimester spontaneous abortions in previous aborters. Int J Fertil 32:192-199, 1987.

67. Nowroozi K, Chase JS, Check JH, Wu CH: The importance of laparoscopic coagulation of mild endometriosis in infertile women. Int J Fertil 32:442-444, 1987.

68. Check JH, Nowroozi K, Wu CH, Adelson HG, Lauer C: The importance of luteal phase deficiency as a cause of infertility in private practice - A preliminary report. Infertility 10:111-120, 1987.

69. Check JH, Wu CH, Adelson HG, Liss J: The clinical usefulness of the hamster ova penetration test in unexplained infertility. 12th World Congress On Fertility And Sterility, Singapore, October, 1986, Volume 4:199-205.

70. Check JH, Chase JS, Nowroozi K, Wu CH, Adelson HG: Empirical therapy of the male with clomiphene in couples with unexplained infertility. Int J Fertil 34(2):120-122, 1989.

71. Check JH, Wu CH, Adelson HG: Bromocriptine versus progesterone therapy for infertility related to luteal phase defects in hyperprolactinemic patients, Int J Fertil 34(3):209-214, 1989.

72. Check JH, Nowroozi K, Wu CH, Adelson HG, Bollendorf A, Chern R, Press M: An in-vivo technique for screening immunologic factors in the etiology of the unexplained poor post-coital test. Int J Fertil 35:215-221, 1990

73. Check JH, Wu CH, Check M: The effect of leuprolide acetate in aiding induction of ovulation in hypergonadotropic hypogonadism: A case report. Fertil Steril 49(3):542-543, 1988.

74. Check JH, Nowroozi K, Chase JS, Lauer C, Elkins B, Wu CH: False positive human chorionic gonadotropin levels caused by a heterophile antibody with the immunoradiometric assay. Am J Ob Gyn 158(1):99-100, 1988.

75. Check JH, Vaze M, Wu CH: Ineffectiveness of parenteral 17-hydroxyprogesterone caproate. The Am J Gyn Health II(1):39-40, 1988.

76. Check JH, Shanis B, Wu CH, Bollendorf A: Evaluating glass, polystyrene and polypropylene containers for semen collection and sperm washing. Archives of Andrology 20(3):251-255, 1988.

77. Check JH, Nowroozi K, Wu CH, Bollendorf A: Correlation of the semen analysis and hypo-osmotic swelling with subsequent pregnancies: A preliminary report. Archives of Andrology 20(3):257-260, 1988.

78. Check JH, Chase JS, Nowroozi K, Wu CH, Chern R: Clinical evaluation of the Pipelle^R Endometrial Suction Curette (Pipelle de Cornier^TM) for timed endometrial biopsies. J Reprod Med 34(3):218-220, 1989.

79. Check JH, Adelson HG, Shanis BS: Idiopathic orthostatic edema as a cryptic cause of the inability to lose weight despite dieting. Life Science Advances - Experimental and Clinical Endocrinology 7:195-197, 1988.

80. Check JH: Progesterone therapy for luteal phase deficiency. Medical aspects of human sexuality 22(8):88-90, 1988.

81. Check JH, Chase JS, Spence M: Pregnancy in premature ovarian failure after therapy with oral contraceptives despite resistance to previous human menopausal gonadotropin therapy. Am J Ob-Gyn 160(1):114-115, 1989.

82. Check JH, Chase JS, Wu CH, Adelson HG: Case Report: Ovulation-induction and pregnancy using an estrogen-gonadotropin stimulation technique in a menopausal woman with marked hypoplastic ovaries. Am J Ob-Gyn 160:405-406, 1989.

83. Check JH, Shanis BS, Stanley C, Chase JS, Nazari A, Wu CH: Case report: Amenorrhea in an ovulatory woman despite a normal uterine cavity: a case report. Am J Ob-Gyn 160(3):598-599, 1989.

84. Check JH, Epstein R, Nowroozi K, Shanis BS, Wu CH, Bollendorf A: The hypo-osmotic swelling test as a useful adjunct to the semen analysis to predict fertility potential. Fertil Steril 52(1):159-161, 1989.

85. Nowroozi K, Chase JS, Check JH, Wu CH: La importancia de la coagulacion laparoscopica de endometriosis minima en la mujer esteril. Revista Latinomaericana de Esterilidad y Fertilidad 2(2), April, 1988.

86. Check JH, Adelson HG: Case report: Opposite response to the addition of leuprolide acetate to human menopausal gonadotropin therapy in two perimenopausal women. Int J Fertil 35:343-346, 1990.

87. Check JH: Performing a D&C for suspected ectopic pregnancy based on low serum progesterone level may cause the abortion of a potentially viable intrauterine gestation (Letter to the Editor). Fertil Steril 51:738-739, 1989.

88. Check JH, Shanis BS, Bollendorf A, Adelson HG, Breen E: Semen characteristics and infertility in aging. Archives of Andrology 23:275-277, 1989.

89. Check JH, Wu CH: Ovulation induction in women with ovarian failure with high dose estrogen and gonadotropin therapy. Life Science Advances - Experimental and Clinical Endocrinology 7:169-171, 1988.

90. Check JH, Wu CH, Epstein R, Adelson HG, Davies E, Liss J, Stern J, Vetter B: Effect of age on the success of therapy for infertility. Infertility 12(2):63-71, 1989.

91. Check JH, Winkel CA, Check ML: Abortion rate in progesterone treated women presenting initially with low first trimester serum progesterone levels. The Am J Gyn Health IV(2):63/33-34/64, March-April, 1990.

92. Check JH, Nowroozi K, Nazari A: Viable pregnancy in a woman with premature ovarian failure treated with gonadotropin suppression and human menopausal gonadotropin stimulation: A case report. J Reprod Med. 36(3):195-197, 1991.

93. Check JH, Nowroozi K, Vaze M, Wapner R, Seefried L: Very high CA-125 levels during the early first trimester found in three cases spontaneously aborting with chromosome abnormalities. Am J OB-GYN 162:674-5, 1990.

94. Check JH, Nowroozi K, Cooper SO, Shanis BS, Bollendorf A: Laboratory techniques for human sex preselection. Assisted Human Reproduction Technology (Reproductive Health Technology) Volume I Edited by E.S.E. Hafez, Hemisphere Publishing Corporation. Part 5: Clinical Andrology. Chapter 18 pages 189-200, 1991.

95. Nowroozi K, Check JH, Lee M, Katsoff D, Adelson H: Evaluation and treatment of a male factor component to unexplained infertility. Assisted Human Reproduction Technology (Reproductive Health Technology) Volume II Edited by E.S.E. Hafez, Hemisphere Publishing Corporation. In Press.

96. Aboulghar M, Hafez ESE, Serour G, Check J, Hong CY, Wang FN, Zeng HQ, Arias E: Multidisciplinary/multicenter research: unexplained infertility. Mol Androl. In Press.

97. Check JH, Bollendorf A, Press MA, Breen EM: Non-invasive techniques to improve fertility potential of retrograde ejaculates. Assisted Human Reproduction Technology (Reproductive Health Technology) Volume II Edited by E.S.E. Hafez, Hemisphere Publishing Corporation. In Press.

98. Goldsmith G, Baker AF, Nowroozi K, Check JH: Cryopreservation of early cell stage human embryos. Assisted Human Reproduction Technology (Reproductive Health Technology) Volume I Edited by E.S.E. Hafez, Hemisphere Publishing Corporation. Part 6: Cryopreservation Of Gametes and Embryos. Chapter 22 pages 227-235, 1991.

99. Shanis BS, Check JH, Baker AF: STD in human semen. Adv Contra Deliv Syst. In Press.

100. Shanis BS, Check JH, Bollendorf A, Lee M, Press M, Katsoff D: Basic and assisted computer semen analysis, methods and pitfalls. Assisted Human Reproduction Technology (Reproductive Health Technology) Volume I Edited by E.S.E. Hafez, Hemisphere Publishing Corporation. Part 5: Clinical Andrology Chapter 17 pages 173-188, 1991.

101. Shanis BS, Check JH, Bollendorf A: Interpretation and misinterpretation of semen parameters. Archives of Andrology 23:213-227, 1989.

102. Check JH, Bollendorf A, Lee MA, Nazari A, Nowroozi K: Correlation of computerized semen analysis with successful fertilization of oocytes in an in vitro fertilization program. Archives of Andrology 24:229-234, 1989.

103. Check JH, Nowroozi K, Winkel CA, Johnson T, Seefried L: Serum CA-125 levels in early pregnancy and subsequent spontaneous abortion. Obstet Gynecol 75(5):742-744, 1990.

104. Check JH, Adelson HG, Dietterich C, Stern J: Pelvic sonography can predict ovum release in gonadotropin-treated patients as determined by pregnancy rate. Human Reproduction 5(3):234-236, 1990.

105. Check JH, Chase JS, Winkel CA, Shanis B, Bollendorf A, Press M: The hypo-osmotic swelling test versus routine semen analysis in evaluating the fertility potential of human spermatozoa. IVth International Congress of Andrology, Florence, Italy, May 14-18, 1989.

106. Check JH, Shanis B, Winkel CA, Bollendorf A: Comparison of computer assisted semen analysis versus conventional semen analysis in predicting male fertility potential. IVth International Congress of Andrology, Florence, Italy, May 14-18, 1989.

107. Check JH, Winkel CA, Bollendorf A: Improved motility and subsequent pregnancies following intracervical insemination of sperm suspended in donor seminal plasma. IVth International Congress of Andrology, Florence, Italy, May 14-18, 1989.

108. Check JH, Chase JS, Nowroozi K, Nazari A: Ovulation induction and pregnancies in women with ovarian failure (reversing menopause). Parthenon Publishing, Recent Developments in Fertility & Sterility, Proceedings of the XIII World Congress on Fertility & Sterility, Marrakesh, October 1989, Vol 6, pgs 43-47, 1989.

109. Zohn J, Check JH, Nowroozi K, Nazari A: The results of chlamydia trachomatis antibody should not influence patient/doctor decision on performing tubal studies. Reprinted from Recent Developments in Fertility and Sterility Series, Chapter 20, pgs 133-137. The Proceedings of the XIIIth World Congress on Fertility & Sterility, Marrakesh, October, 1989.

110. Check JH, Bollendorf A: Improved motility of retrograde ejaculates by adding donor seminal plasma. Archives of Andrology 25:41-43, 1990.

111. Check JH, Shanis B, Bollendorf A: Computer assisted semen analysis not superior to routine analysis in distinguishing fertile from subfertile men. Archives of Andrology 25:13-16, 1990.

112. Check JH, Nowroozi K, Chase JS, Nazari A, Shapse D, Vaze M: Ovulation induction and pregnancies in 100 consecutive women with hypergonadotropic amenorrhea. Fertil Steril 53(5):811-816, 1990.

113. Check JH, Nowroozi K, Nazari A, Baker A, Goldsmith A: In vitro fertilization-embryo transfer in three women with ovarian failure. J IVF-ET 7(1):45-46, 1990.

114. Shanis BS, Check JH, Baker AF: Transmission of sexually transmitted diseases by donor semen. Archives of Andrology 23:249-257, 1989.

115. Check JH, Shanis BS, Cooper SO, Bollendorf A: Male sex preselection - swim up technique and insemination of women after ovulation induction. Archives of Andrology 23:165-166, 1989.

116. Leskowitz SC, Shanis BS, Check JH: Resolution of atypical chest pain during treatment for idiopathic orthostatic edema. Am J Gastroenterology 85(5):621-622, 1990.

117. Check JH, Nowroozi K, Chase JS, Vaze M, Joshi S, Baker A: Serum progestogen-associated endometrial protein (PEP) levels in conception versus non-conception cycles following in vitro fertilization embryo transfer. J IVF-ET 7:134-136, 1990.

118. Check JH: Response to queries concerning article "Pregnancy in premature ovarian failure after therapy with oral contraceptives despite resistance to previous human menopausal gonadotropin therapy." Letter to the Editor, Am J Ob-Gyn 162:875, 1990.

119. Check JH: Ovulation and successful pregnancy in a woman with ovarian failure after hypophysectomy and gonadotropin therapy. Am J Ob-Gyn 162:775-776, 1990.

120. Check JH, Framroze A, Liss JR, Bollendorf A: Therapeutic insemination by donor achieves high pregnancy rates in infertile couples regardless of the males motile sperm density. Archives of Andrology. 25:169-171, 1990.

121. Check JH, Vaze M, Epstein R, Wu CH, Quattrocchi J, Vetter B: 17-hydroxyprogesterone level as a marker for corpus luteum function in aborters versus non-aborters. Int J Fertil 35(2):112-115, 1990.

122. Check JH, Chase JS, Nowroozi K, Epstein R, Vetter B: Pitfalls in the use of a single rapid progesterone assay to diagnose early ectopic pregnancy. Am J GYN Health 4(5):141-145, 1990.

123. Check JH, Dietterich C, Houck M: Ipsilateral versus contralateral ovary selection of dominant follicle in succeeding cycle. Obstet Gynecol 77(2):247-249, 1991.

124. Check ML, Check JH: Poor hypo-osmotic swelling test results from cryopreserved sperm despite preservation of sperm motility. Archives of Andrology. 26(1):37-41, 1991.

125. Check DJ, Check JH, Bollendorf A: Fresh versus frozen seminal plasma for enhancing motility in asthenospermic samples. Archives of Andrology. 26(2):79-81, 1991.

126. Check JH, Nowroozi K, Check ML, Vetter B: Correlation of serum progestogen associated endometrial protein levels with endometrial biopsies, serum steroid levels, and therapy for luteal phase defects. Human Reproduction. 6(4):511-514, 1991.

127. Check JH, Nowroozi K, Chase JS, Nazari A, Braithwaite C: Comparison of pregnancy rates following in vitro fertilization-embryo transfer between the donors and recipients in a donor oocyte program. Journal of Assisted Reproduction and Genetics 9(3):248-250, 1992.

128. Check JH, Nazari A, Baker AF, Goldsmith G: A unique case exemplifying the use of in vitro fertilization for unexplained infertility. ARTA. 1:367-369, 1990.

129. Check JH, Nowroozi K, Chase JS, Nazari A, Callan C: Comparison of luteal phase support with high and low dose progesterone therapy on pregnancy rates in an IVF program. J IVF-ET. 8:173-175, 1991

130. Check JH, Chase JS, Nowroozi K, Dietterich CJ: Premature luteinization - Treatment and incidence in natural cycles. Human Reproduction. 6:190-193, 1991.

131. Check JH: Letter to the editor. Re: The importance of the post-coital test. Am J OB/GYN. 164:932-933, 1991.

132. Check JH, Vaze M, Raikar RS, Nowroozi K, Joshi SG, Epstein R, Vetter B: Late luteal phase progestogen-dependent endometrial protein levels in women with in phase biopsies - Can low levels predict a subfertile group? Int J Fertil. 37:350-353, 1992.

133. Check JH, Vaze M, Vetter B: Measurement of placental protein 14 (PP14) not helpful in predicting infertility or spontaneous abortion. Int J Fertil. 38:34-36, 1993.

134. Check JH, Chase JS, Adelson HG: Evidence for the existence of a pure corpus luteum deficiency. 1990 Elsevier Science Publishers B.V. (Biomedical Division) From Ovulation to Implantation. H.H.L. Evers and M.J. Heineman, editors, pages 211-215.

135. Check JH, Nowroozi K, Lee M, Adelson H, Katsoff D: Evaluation and treatment of a male factor component to unexplained infertility. Archives of Andrology 25:199-211, 1990.

136. Check JH, Bollendorf AM, Press MA, Breen EM: Noninvasive techniques for improving fertility potential of retrograde ejaculates. Archives of Andrology 25:271-276, 1990.

137. Check JH: Letter to the editor Re: Reproductive roulette-prognosis for ovarian failure. Fertil Steril 55:447-448, 1991.

138. Shanis B, Check JH, Bollendorf A: Adverse effect of clomiphene citrate on sperm morphology. Archives of Andrology. 27:109-111, 1991.

139. Check JH, Adelson HG, Stern J, Lauer C: Influence of serum progesterone levels at the time of hCG on the release of ova during hMG cycles. Int J Fertil. 37:103-105, 1992.

140. Check JH: Letter-to-the-editor: Ipsilateral versus contralateral ovary selection of dominant follicle in succeeding cycle. Obstet Gynecol 77:969-970, 1991.

141. Baker AF, Check JH, Nowroozi K, Goldsmith G, Lee M: Cryopreservation of human embryos using a shorter cooling program one step removal of cryoprotectant during thawing. ARTA II:341-343, 1991.

142. Check JH, Bollendorf A, Press M, Blue T: Standard sperm morphology as a predictor of male fertility potential. Archives of Andrology. 28:39-41, 1992.

143. Check ML, Check JH, Long R: Detrimental effects of cryopreservation on the structural and functional integrity of the sperm membrane. Archives of Andrology 27:155-160, 1991.

144. Check JH, Bollendorf A: The effect of antisperm antibodies on post-coital results and the effect of intrauterine insemination on pregnancy outcome. Archives of Andrology. 28:25-31, 1992.

145. Check JH: The importance of semen parameters and the use of IVF-ET to identify male factor. ARTA II:365-375, 1991.

146. Check JH: Uterine receptivity in subjects with ovarian failure. Fertil Steril 55:1208-1209, 1991.

147. Check JH: Letter to the editor: Serum CA-125 levels in early pregnancy and subsequent spontaneous abortion. OB/GYN 76:894-895, 1990.

148. Check JH: Letter to the editor: One case of 45,X abortus with high CA-125 levels. Am J OB/GYN. 163:1717, 1990.

149. Check JH, Coates T Chase JS, Lee M: Detection of male factor despite normal motile densities using a donor-recipient oocyte in in vitro fertilization program. Assisted Reproductive Technology/Andrology. In Press.

150. Check JH, Nowroozi K, Bollendorf A: Correlation of motile sperm density and subsequent pregnancy rates in infertile couples. Archives of Andrology. 27:113-115, 1991.

151. Check JH, Epstein R, Long R: Effect of time interval between ejaculations on semen parameters. Archives of Andrology. 27:93-95, 1991.

152. Check JH, Nowroozi K, Choe J, Dietterich C: Influence of endometrial thickness and echo patterns on pregnancy rates during in vitro fertilization. Fertil Steril. 56:1173-1175, 1991.

153. Check JH: Letter to the editor: Untreated luteal phase deficiency as another possible risk factor for preterm delivery. Am J OB/GYN. 165:485-486, 1991.

154. Check JH, Coates TE, Nowroozi K: Extreme elevation of serum CA-125 in two women with severe endometriosis: Case Report. Gynecol Endocrinol 5:217-220, 1991.

155. Check JH, Adelson HG, Bollendorf A: Effect of antisperm antibodies on the computerized semen analysis. Archives of Andrology 27:61-63, 1991.

156. Check JH, Adelson HG, Schubert B, Bollendorf A: The evaluation of sperm morphology using Kruger's strict criteria. Archives of Andrology. 28:15-17, 1992.

157. Check JH, Chase JS, Spirito P: Efficacy of intrauterine insemination versus sexual relations versus intracervical insemination for treatment of cervical factor infertility. Am J Gyn Health 5:11-17, 1991.

158. Check JH, Dietterich C, Lauer C, Liss J: Ovulation-inducing drugs versus specific mucus therapy for cervical factor. Int J Fertil 36:108-112, 1991.

159. Check JH, Chase JS: Discrepancy in B-hCG levels in two separate pregnancies resulting from fertilization of a common pool of oocytes. Assisted Reproductive Technology/Andrology Supplement III 111-115, 1991.

160. Check JH, Nowroozi K, Chase JS, Dietterich C: Effect of increased mid-cycle androgen levels following controlled ovarian hyperstimulation during IVF on fertilization/pregnancy rates. Assisted Reproductive Technology/Andrology Supplement III 85-87, 1991.

161. Check JH, Vaze M, Raikar R, Nowroozi K, Joshi S, Epstein R, Vetter B: Fertility better correlates with higher levels of progestogen-dependent endometrial protein. Infertility 13:131-136, 1990

162. Check JH, Chase JS, Nowroozi K, Goldsmith G, Dietterich C: Evidence that differences in sizes of fraternal twins may originate from early gestation - A case report. Int. J. Fertil. 37:165-166, 1992.

163. Check JH, Dietterich C, Nowroozi K, Wu CH: Comparison of various therapies for the luteinized unruptured follicle (LUF) syndrome. Int. J. Fertil. 37:33-40, 1992.

164. Nazari A, Check JH, Epstein R, Dietterich C, Farzanfar S: Relationship of small-for-dates sac size to crown-rump length and spontaneous abortion in patients with a known date of ovulation. Obstet Gynecol 78(3) 369-373, 1991.

165. Check JH, Nowroozi K, Vetter B, Rankin A, Dietterich C, Schubert B: The effects of multiple gestation and selective reduction on fetal outcome. J Perinat Med 21:299-302, 1993.

166. Check JH, Chase JS, Adelson HG, Lauer C, Schubert B: A conservative treatment protocol with human menopausal gonadotropins aimed at reducing multiple births. J Perinat Med 21:315-319, 1993.

167. Check JH, Schubert B, Chase JS: Fetal outcome of triplets in a turner mosaic. J Perinat Med 21:279-283, 1993.

168. Check JH: Multiple follicles in an unstimulated cycle despite elevated gonadotropins in a perimenopausal female. Gynecol Obstet Invest, 33:190-192, 1992.

169. Check JH, Lee G, Epstein R, Vetter B: Increased rate of pre-term deliveries in untreated women with luteal phase deficiencies - a preliminary report. Gynecol Obstet Invest 33:183-184, 1992.

170. Check JH, Weiss R: Letter to the editor - A critical look at hCG doubling time. Fertil Steril 56(6):1204-1206, 1992.

171. Check JH, Katsoff D, Kozak J, Lurie D: Effect of swim-up, Percoll and Sephadex sperm separation methods on the hypo-osmotic swelling test. Human Reproduction 7:109-111, 1992.

172. Check JH, Nowroozi K, Chase JS: Comparison of short versus long-term leuprolide acetate-human menopausal gonadotropin hyperstimulation in in vitro fertilization patients. Human Reproduction 7:31-34, 1992.

173. Lee M, Check JH, Kopf GS: A guanine nucleotide-binding regulatory protein in human sperm mediates acrosomal exocytosis induced by the human zona pellucida. Molecular Reproduction and Development 31:78-86, 1992.

174. Check JH, Dietterich C, Lauer C, Lurie D: The effect of follicle maturing drugs on mid-cycle androgen levels in women with normal baseline levels. Gynecologic Endocrinology. 6:107-111, 1992.

175. Barnea ER, Check JH, O'Shaughnessy A: Pregnancy rate and outcome of embryo transfer: dorsal lithotomy vs knee-chest position: a randomized prospective study. ARTA. 3:59-62, 1992.

176. Check JH, Davies E, Adelson H: A randomized prospective study comparing pregnancy rates following clomiphene citrate and human menopausal gonadotropin therapy. Human Reproduction. 7(6)801-805, 1992.

177. Check JH, Lee G, Nowroozi K, Baker A: Successful delivery of twins in a woman with a unicornuate uterus. Gynecologic and Obstetric Investigation. 34:124-125, 1992.

178. Check JH, Dietterich C, Adelson HG: The effect of follicle maturing drugs on side of ovulation in successive cycles. Human Reproduction. 7(4):475-478, 1992.

179. Choe JK, Check JH, Nowroozi K, Benveniste R, Barnea ER: Serum progesterone and 17-hydroxyprogesterone in the diagnosis of ectopic pregnancies and the value of progesterone replacement in intrauterine pregnancies when serum progesterone levels are low. Gynecologic and Obstetric Investigation. 34:133-138, 1992.

180. Check JH, Adelson H, Lurie D, Jamison T: The effect of the short follicular phase on subsequent conception. Gynecologic and Obstetric Investigation. 34:180-183, 1992.

181. Check JH, Bollendorf A, Lee M, Vetter B, Syrkin M, Chase JS: Comparison of low hypo-osmotic swelling results to fertilization rates in an IVF-ET program. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 66-70, 1992.

182. Check JH, Press M, Bollendorf A, Blue T: Evaluation of the Kruger strict method for sperm morphology in predicting infertile males. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 71-74, 1992.

183. Lee M, Storey BT, Check JH: Endpoint of first stage of zona pellucida-induced acrosome reaction in mouse spermatozoa characterized by acrosomal H⁺ and Ca²⁺ permeability: A possible model for the human system. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 75-85, 1992.

184. Chase J, Check JH, Syrkin M, Lee M, Kozak J: Subtle motility abnormalities diagnosed by computer-associated semen analysis not found to correlate with infertile males better than conventional analysis. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 109-113, 1992.

185. Adelson HG, Check JH, Chase JS, Press M: Determination of the clinical significance of antisperm antibodies using an in vivo insemination technique. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 186-193, 1992.

186. Check JH, Liss JR: The use of therapeutic donor insemination to demonstrate the inadequacy of present WHO standards for normal motile-density in distinguishing fertile from nonfertile males. Progress in Reproductive Biology and Medicine: Diagnosing Male Infertility New Possibilities and Limits. Vol 15, pgs 232-236, 1992.

187. Check JH, Lurie D, Davies E, Vetter B: Comparison of first trimester serum estradiol levels in aborters versus nonaborters during maintenance of normal progesterone levels. Gynecol Obstet Invest, 34:206-210, 1992.

188. Check JH, Vetter BH, Check ML: Poor correlation of positive chlamydia trachomatis antibody tests and infertility in middle class women. Am J Gynecol Health 6(2):19-22, 1992.

189. Check JH: Letter to the editor: Ovarian failure and G-proteins - do we really need to know how they work? Fertil Steril 58(1); 218-220, 1992.

190. Coates TE, Check JH, Choe J, Nowroozi K, Lurie D, Callan C: An evaluation of couples with failure of fertilization in vitro. Hum Reprod 7(7):978-981, 1992.

191. Check JH, Nowroozi K, Choe J, Lurie D, Dietterich C: The effect of endometrial thickness and echo pattern on in vitro fertilization outcome in donor oocyte-embryo transfer cycle. Fertil Steril, 59:72-75, 1993.

192. Check JH, Nowroozi K, Barnea ER, Shaw KJ, Sauer MV: Successful delivery after age fifty: a report of two cases as a result of oocyte donation. Obstet Gynecol, 81:835-836, 1993.

193. Shanis BS, Check JH, Bollendorf A, Lurie D: Stability of the hypo-osmotic swelling test over time. Archives of Andrology 29:263-266, 1992.

194. Check JH, Weiss RM, Lurie D: Analysis of serum human chorionic gonadotrophin levels in normal singleton, multiple and abnormal pregnancies. Hum Reprod 7:1176-1180, 1992.

195. O'Shaughnessy A, Check JH, Nowroozi K, Lurie D: CA-125 levels measured in different phases of the menstrual cycle in screening for endometriosis. Obstet Gynecol 81:99-103, 1993.

196. Check JH, Choe J, Nowroozi K, Long R, Baker A: Role of semen parameters in predicting fertilization/pregnancy outcome in IVF. ARTA 3:295-303, 1992.

197. Check ML, Check JH, Check DJ, Press M, Long R: Rapid cryopreservation technique using test-yolk buffer to the standard procedure/semen parameters. ARTA 3:105-109, 1992.

198. Check DJ, Check ML, Check JH, Breen E, McMonagle K: Effect of fresh seminal plasma on cryopreserved thawed sperm on motility/HOST. ARTA 3:87-92.

199. Check JH, Nowroozi K, Chase JS, Goldsmith G: Pregnancy rates in donors/recipients using the same pool of oocytes. ARTA 3:49-51, 1992.

200. Check JH, Choe J, Hoover L, Hourani CL, Summers DC, Benfer KM: Election to be a donor in a shared oocyte program. ARTA 3:63-65, 1992.

201. Baker AF, Choe JK, Check JH, Hourani CL, Summers DC, Stumpo L: Pregnancy rates using different hormonal stimulations for frozen embryo replacement cycles. ARTA 3:93-95, 1992.

202. Shanis BS, Check JH: Spontaneous ovulation and successful pregnancy despite bilateral streaked ovaries. Infertility 15:70-77, 1992.

203. Check JH, Barnea ER, Shapse DB, Lurie D, Lauer C, Vetter BH: Origin of first trimester 17-hydroxyprogesterone levels as determined in pregnancies by donor oocyte fertilization. Gynecol. Obstet. Invest., 36:136-140, 1993.

204. Check JH, Zavos PM, Katsoff D, Kiefer D: Effects of Percoll discontinuous density gradients vs spermprep II vs sephadex G-50 gel infiltration on semen parameters. Archives of Andrology, 31:69-73, 1993.

205. Check JH, Katsoff D: A prospective study to evaluate the efficacy of modified swim-up preparation for male sex selection. Hum Reprod, 8(2):211-214, 1993.

206. Barnea ER, Avigdor SA, Boadi WY, Check JH: Effect of xenobiotics on quinone reductase activity in first trimester explants. Hum Reprod 8:102-106, 1993.

207. Shurtz-Swirski R, Check JH, Barnea ER: Effect of 1-34 human parathyroid hormone upon first trimester placental human chorionic gonadotrophin secretion in vitro: potentiation by epidermal growth factor. Hum Reprod 8:107-111, 1993.

208. Barnea ER, Check JH: Parathyroid disorders and altered calcium homeostasis. Clinical Consultations in Obstetrics and Gynecology (Ed. AH DeCherney) 4:177-182, 1992.

209. Check JH: The role of progesterone in supporting implantation and preventing early pregnancy loss. In: Implantation and Early Pregnancy in Humans (eds: Barnea ER, Check JH, Grudzinskas JG, Maruo T). Parthenon Publishing. Chapter 11, pgs 137-160.

210. Barnea ER, Check JH: Comparative effects of GnRH and cAMP on hCG secretion by placental explants in dynamic and static cultures. ARTA 4:55-60, 1992.

211. Barnea ER, Check JH: Comparative role of GnRH in pituitary and placental gonadotropin secretion. ARTA 3:385-396, 1992.

212. Barnea ER, Check JH: Diabetic-like conditions modify the endocrine function of the first trimester human placenta in vitro. ARTA 4:99-108, 1992.

213. Barnea ER, Choe JK, Peymer M, Check JH: Effect of serum sperm antibodies in women on embryo quality and pregnancy outcome following IVF: A controlled study. ARTA 3:321-325, 1992.

214. Shurtz-Swirski R, Barnea ER, Korenblum R, Check JH: Effect of maternal cigarette smoking upon placental hCG secretion in vitro. ARTA 3:397-403, 1992.

215. Check JH, Dietterich C, Lauer C, Lurie D: The effect of follicle-maturing drugs on mid-cycle androgen levels in women with normal baseline levels. Fertility Digest, March 1993, 12-14.

216. Check JH, Bollendorf A: Effect of antisperm antibodies on postcoital results and effects of intrauterine insemination on pregnancy outcome. Fertility Digest, March 1993, 29-30.

217. Check JH, Lurie D, Dietterich C, Callan C, Baker A: Adverse effect of a homogeneous hyperechogenic endometrial sonographic pattern despite adequate endometrial thickness of pregnancy rates following in vitro fertilization. Hum Reprod 8:1293-1296, 1993.

218. Check JH, Askari HA, Choe J, Baker A, Adelson H: The effect of the age of the recipients on pregnancy rates following donor-oocyte replacement. J Assisted Reprod and Genetics 10:137-140, 1993.

219. Check JH, Kozak J, Katsoff D: Hypoosmotic swelling: evaluation of sperm tails using strict criteria in cases of globozoospermia. Arch Androl 30:125-128, 1993.

220. Check JH, Nazari A, Barnea ER, Weiss W, Vetter BH: The efficacy of short-term gonadotrophin-releasing hormone agonists versus human chorionic gonadotrophin to enable oocyte release in gonadotrophin stimulated cycles. Hum Reprod 8:568-571, 1993.

221. Check DJ, Check ML, Bollendorf A, Check JH: Failure of the addition of fresh seminal plasma to cryopreserved-thawed sperm to improve semen parameters. Arch Androl 31:121-125, 1993.

222. Check JH: Multiple follicles in an unstimulated cycle despite elevated gonadotropins in a perimenopausal female. Menopause Digest 4:8-9, 1993.

223. Nazari A, Askari HA, Check JH, O'Shaughnessy A: Embryo transfer technique as a cause of ectopic pregnancy in in vitro fertilization. Fertil Steril 60:919-921, 1993.

224. Bollendorf A, Check JH, Katsoff D, Fedele A: The use of chymotrypsin-galactose to treat spermatozoa bound with antisperm antibodies prior to intrauterine insemination. Hum Reprod 9:484-488, 1994.

225. Check JH, Vetter BH, Weiss W: Comparison of hCG versus GnRH analog in releasing oocytes following ultra low-dose gonadotropin stimulation. Reprinted from Frontiers in Gynecological Endocrinology Series, Chapter 41, pgs 359-367. The Proceedings of the Second International Capri Conference, Capri, Italy, May 22-26, 1992.

226. Check JH, Lurie D, Hoover L, Stumpo L, Summers D: Association of higher pregnancy rates with low serum progesterone levels (by Radioimmunoassay) at time of human chorionic gonadotropin not corroborated when using a nonisotopic immunoassay. J Assist Reprod Genetics, 10(5):384-387, 1993.

227. Bollendorf A, Check JH, Katsoff D, Lurie D: Comparison of direct swim-up, mini Percoll and sephadex G-10 sperm separation procedures. Arch Androl, 32:157-162, 1994.

228. Check JH, Adelson HG, Davies E: Effect of clomiphene citrate therapy on post-coital tests in successive treatment cycles including response to supplemental estrogen therapy. Arch Androl, 32:69-76, 1994.

229. Askari HA, Check JH, Peymer N, Bollendorf A: Effect of natural antioxidants tocopherol and ascorbic acids in maintenance of sperm activity during freeze-thaw process. Arch Androl 33:11-15, 1994.

230. Check ML, Check DJ, Check JH, Long R, Press M: Effect of shortened exposure time to the critical period for ice crystal formation on subsequent post-thaw semen parameters from cryopreserved sperm. Arch Androl, 32:63-67, 1994.

231. Check JH, Lurie D, Callan C, Baker A, Benfer K: Comparison of the cumulative probability of pregnancy following in vitro fertilization-embryo transfer by infertility factor and age. Fertil Steril 61(2)257-261, 1994.

232. Check JH, Peymer M, Zaccardo M: Evaluation of whether using hCG to stimulate oocyte release helps or decreases pregnancy rates following intrauterine insemination. Gynecol Obstet Invest 38:57-59, 1994.

233. Check JH, Bollendorf A, Katsoff D, Kozak J: The frequency of antisperm antibodies in the cervical mucus of women with poor post-coital tests and their effect on pregnancy rates. Am J Reprod Immunol 32:38-42, 1994.

234. Check JH, Hourani C, Choe JK, Callan C, Adelson HG: Pregnancy rates in donors versus recipients according to the serum progesterone level at time of human chorionic gonadotropin in a shared oocyte program. Fertil Steril 61:262-264, 1994.

235. Check JH, Peymer M, Jairaj P: Single daily monitoring of periovulatory estradiol, progesterone and luteinizing sera hormone levels in natural cycles useful for timing intrauterine insemination. Arch Androl 32:151-156, 1994.

236. Check JH, Lurie D, Askari HA, Hoover L, Lauer C: The range of subtle rise in serum progesterone levels following controlled ovarian hyperstimulation associated with lower in vitro fertilization pregnancy rates is determined by the source of manufacturer. Euro J Obstet Gynecol Reprod Biol, 52:205-209, 1993.

237. Check JH, O'Shaughnessy A, Vetter B: Use of leuprolide acetate for oocyte release and advancement of meiosis in gonadotropin stimulated cycles. The Triggering of Ovulation in Stimulated Cycles: hCG or LH? (The International Symposium in Bordeaux, France, 1993) Parthenon Publishing, Part 3, Chapter 31, pgs 269-273, 1994.

238. Check JH, Askari HA, Fisher C, Vanaman L: The use of a shared donor oocyte program to evaluate the effect of uterine senescence. Fertil Steril 61:252-256, 1994.

239. Barnea ER, Chase JS, Check JH, Vetter BH: Estradiol deficiency associated with spontaneous abortion even when adequate progesterone levels are maintained. Fertility and Sterility Progress in Research and Practice, Proceedings of the XIV World Congress on Fertility and Sterility, Caracas, November 1992, Parthenon Publishing, Section 6, Chapter 54, pgs 503-511, 1994.

240. Chase JS, Nazari A, Baker A, Check JH, Choe J: Comparison of pregnancy rates in donors compared with recipients in a shared oocyte program. Fertility and Sterility Progress in Research and Practice, Proceedings of the XIV World Congress on Fertility and Sterility, Caracas, November 1992, Parthenon Publishing, Section 5, Chapter 51, pgs 481-484, 1994.

241. Katsoff D, Adelson HG, Bollendorf A, Check JH: Can abnormal semen parameters truly identify the subfertile male? Fertility and Sterility Progress in Research and Practice, Proceedings of the XIV World Congress on Fertility and Sterility, Caracas, November, 1992, Parthenon Publishing, Section 1, Chapter 5, pgs 43-49, 1994.

242. Check JH, Nowroozi K, Barnea ER, Shaw KJ, Sauer MV: Due casi di donazione degli ovociti con felice espletamento del parto in soggetti di eta superiore a cinquanta anni. Your Colleague's Practice Search on Obstetrics and Gynaecology 2:(5)8-10, 1993.

243. Shanis BS, Check JH: Efficacy of gonadotropin-releasing hormone agonists to induce ovulation following low-dose human menopausal gonadotropin stimulation. Recent Progress in Hormone Research 50:483-486, 1995.

244. Check JH, Kwirenk D, Katsoff D, Press M, Breen E, Baker A: Male:female sex ratio in births resulting from IVF according to swim-up vs percoll preparation of inseminated sperm. Arch Androl 33:63-65, 1994.

245. Check JH, Katsoff D, Bollendorf A: Letter-to-the-editor - Sex selection - on trial again? Fertil Steril 61:1181, 1994.

246. Check JH: Can in vitro fertilization be successful in women with elevated serum follicle stimulating hormone levels. Ovarian Endocrinopathies (The 8th Reinier de Graff Symposium, Amsterdam, The Netherlands, 1993) Parthenon Publishing, Section 1, Chapter 6, pgs 57-65, 1994.

247. Check JH, Hourani C, Goldsmith G: The use of non-micromanipulation techniques for male factor and in vitro fertilization outcome. In Tesarik J (ed) Male Factor In Human Infertility. Ares-Serono Symposia Publications, Rome, Italy, pgs 271-286, 1994

248. Katsoff D, Check JH, Kozak J: Failure of test yolk buffer to decrease antisperm antibodies on sperm. Arch Androl 33:137-139, 1994.

249. Check JH: Predictive value of serum progesterone levels for pregnancy outcome. Letter-to-the-editor, Fertility and Sterility 62:1090-1091, 1994.

250. Bollendorf A, Check JH, Katsoff D, Fedele A: The use of chymotrypsin/galactose to treat spermatozoa bound with antisperm antibodies prior to intrauterine insemination. Fertility Digest 6:9-11, 1994.

251. Check JH: The use of the donor oocyte program to evaluate embryo implantation. The Human Endometrium, Editors Bulletti C, Gurpide E, Flamigni, Annals of the New York Academy of Sciences, 734:198-208,1994.

252. Hourani CL, Check JH, Baker AF, Hoover LM, Summers DC, Benfer KM: Cumulus removal and addition of follicular fluid possibly improves pregnancy rates with in vitro fertilization for male factor. Arch Androl 34:47-52, 1995.

253. Hoover L, Summers D, Check JH, Nazari A, O'Shaughnessy A: Pregnancy after zona drilling of cryopreserved thawed embryos: case report. Fertil Steril 63:401-403, 1995.

254. Hornstein MD, Check JH, Hill JA: Serum CA 125 levels and spontaneous abortion. Am J Obstet Gynecol 172 (2):695-699, 1995.

255. Check JH, Hornstein MD: Endometriosis causing very high early first trimester serum CA-125 levels. Int J Gynecol Obstet 48:217-218, 1995.

256. Check JH, Vetter BH: A challenge to the concept of tubal reflux to explain the rise and fall of CA 125 in serum during the first trimester. Hum Reprod 10:674-676, 1995.

257. Katsoff D, Check JH, Bollendorf A, Benfer K: Chymotrypsin-galactose treatment of sperm with antisperm antibodies results in improved pregnancy rates following in vitro fertilization. Am J Reprod Immunol 33:149-154, 1995.

258. Check JH, Katsoff D, Bollendorf A, Callan C: The effect of sera antisperm antibodies in the female partner on in vivo and in vitro pregnancy and spontaneous abortion rates. Am J Reprod Immunol 33:131-133, 1995.

259. Check JH: Value of sperm morphology. Letter-to-the-editor, Fertil Steril 63:938-939, 1995.

260. Check JH, Lurie D, O'Shaughnessy A, Dietterich C: The relationship of endometriosis to endometrial sonographic studies prior to administration of human chorionic gonadotrophin in patients undergoing in-vitro fertilization and embryo transfer. Hum Reprod 10:938-941, 1995.

261. Check JH, Long R, Allen J, Hoover L: Poor fertilization may be related to oocyte or zona pellucida recognition defects specific to certain hyperstimulation regimens and limited to some males but not others: a case report. Fertil Steril 63:1341-1343, 1995.

262. Check JH, Stumpo L, Lurie D, Benfer K, Callan C: A comparative prospective study using matched samples to determine the influence of subnormal hypo-osmotic test scores of spermatozoa on subsequent fertilization and pregnancy rates following in vitro fertilization. Hum Reprod 10:1197-1200, 1995.

263. Check JH, Dietterich C, Lurie D: The effect of consecutive cycles of clomiphene citrate therapy on endometrial thickness and echo pattern. Obstet Gynecol 86:341-345, 1995.

264. Check DJ, Katsoff D, Check JH: Effect of an intermediate hold with vapor freezing on subsequent hypoosmotic swelling in thawed sperm. Arch Androl 35:79-81, 1995.

265. Check DJ, Kiefer D, Katsoff D, Check JH: Effect of pentoxyfylline added to freezing media on subsequent post-thaw hypo-osmotic swelling test and other semen parameters. Arch Androl 35:161-163, 1995.

266. Check JH, Bollendorf A, Zaccardo M, Lurie D, Vetter BH: Intrauterine insemination for cervical and male factor without superovulation. Arch Androl 35:135-141, 1995.

267. Hoover L, Baker A, Check JH, Lurie D, O'Shaughnessy A: Evaluation of a new embryo grading system to predict pregnancy rates following in vitro fertilization. Gynecol Obstet Invest 40:151-157, 1995.

268. Check JH, Bollendorf A, Askari HA: Evidence for a leukocyte adhesion factor produced by the early embryo. Am J Reprod Immunol 34:20-25, 1995.

269. Check JH, Ubelacker L, Lauer CC: Falsely elevated steroidal assay levels related to heterophile antibodies against various animal species. Gynecol Obstet Invest 40:139-140, 1995.

270. Check JH, Spirito P: Higher pregnancy rates following treatment of cervical factor with intrauterine insemination without superovulation versus intercourse: The importance of a well-timed postcoital test for infertility. Arch Androl 35:71-77, 1995.

271. Check JH, O'Shaughnessy A, Nazari A, Hoover L: Comparison of efficacy of high-dose pure follicle stimulating hormone versus human menopausal gonadotropins for in vitro fertilization. Gynecol Obstet Invest 40:117-119, 1995.

272. Check JH, Tarquini P, Gandy P, Lauer C: A randomized study comparing the efficacy of reducing the spontaneous abortion rate following lymphocyte immunotherapy and progesterone treatment versus progesterone alone in primary habitual aborters. Gynecol Obstet Invest 39:257-261, 1995.

273. Check JH, Shanis BS, Shapse D, Adelson HG: A randomized study comparing two diuretics, a converting enzyme inhibitor, and a sympathomimetic amine on weight loss in diet failure patients. Endoc Pract 1:323-326, 1995.

274. Check JH, Dietterich C, Lurie D: Relationship of endometrial thickness and echo patterns on pregnancy rates in patients with luteal phase defects. Gynecol Obstet Invest 40:101-107, 1995.

275. Check JH, Dietterich C, Lurie D, Adelson HG, O'Shaughnessy A: Relationship of endometrial thickness and sonographic echo pattern to endometriosis in non-in vitro fertilization cycles. Gynecol Obstet Invest 40:113-116, 1995.

276. Check JH, Lurie D, Vetter BH: Sera gonadotropins, testosterone, and prolactin levels in men with oligozoospermia or asthenozoospermia. Arch Androl 35:57-61, 1995.

277. Hornstein MD, Harlow BL, Thomas PP, Check JH: Use of a new CA 125 assay in the diagnosis of endometriosis. Hum Reprod 10:932-934, 1995.

278. Hoover L, O'Shaughnessy A, Nazari A, Check JH: An RIA by Amersham with a low coefficient of variation in the low serum P range associated with better pregnancy rate (PR) prognosis with IVF-ET. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 255-258, 1995.

279. Hoover L, O'Shaughnessy A, Check JH, Nazari A: Luteinizing hormone (LH) in follicle stimulating drugs not needed despite long suppression with gonadotropin releasing hormone agonists. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 259-263, 1995.

280. Shanis B, Summers D, Check JH, O'Shaughnessy A, Nazari A: An ultra-short use of leuprolide acetate works as well as longer use to prevent premature luteinization following controlled ovarian hyperstimulation. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 273-277, 1995.

281. Shanis B, Check JH, O'Shaughnessy A, Summers D: Improved pregnancy rates (PRs) in older patients or those with elevated baseline FSH levels with short flare or clomiphene-hMG hyperstimulation protocols. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 279-283, 1995.

282. Summers D, Check JH, Nazari A, O'Shaughnessy A, Hoover L: Subtle rise in progesterone (P) at time of human chorionic gonadotropin (hCG) may have more of an adverse effect on the endometrium that the oocyte as determined by a shared oocyte program. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 285-289, 1995.

283. Summers D, Check JH, Hoover L, O'Shaughnessy A, Nazari A: A 36 hour time of retrieval from human chorionic gonadotropin (hCG) injection may produce better pregnancy rates (PR) than a 34 hour interval. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 291-294, 1995.

284. Hoover L, Summers D, Check JH, Nazari A, O'Shaughnessy A: EIA methods for measuring serum progesterone (P) at time of human chorionic gonadotropin (hCG) not predictive of subsequent pregnancy rates (PR). In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 351-355, 1995.

285. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: Deep-fundal rather than mid-fundal placement of embryos increases ectopic but not intrauterine pregnancy rate. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 365-368, 1995.

286. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: Pregnancy rates (PRs) according to endometrial thickness and echo pattern at time of hCG. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 369-372, 1995.

287. Sapoznikov V, Nazari A, Check JH, O'Shaughnessy A: Lowered pregnancy rates seen in IVF patients with a homogeneous hyperechogenic endometrial echo pattern prior to hCG injection. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 373-377, 1995.

288. Summers D, Hoover L, Check JH, O'Shaughnessy A: Pregnancy rates (PRs) decrease in oocyte donors but not in their respective recipients especially with advancing age in a shared oocyte program. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 521-523, 1995.

289. Shanis B, Check JH, Bollendorf A, Nazari A: Computer assisted semen analysis better defines male factor in an IVF program than either motile density or strict morphology. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 587-589, 1995.

290. Shanis BS, Katsoff D, Check JH, Hoover L: Sperm morphology using strict criteria not useful in predicting poor pregnancy rates (PRs) despite adequate fertilization. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 591-594, 1995.

291. Shanis B, Katsoff D, Bollendorf A, Summers D, Check JH: Sera antisperm antibodies (ASA) in female partners does not reduce IVF pregnancy rates (PRs). In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 595-599, 1995.

292. Shanis BS, Katsoff D, Check JH, Bollendorf A: Mild enzymatic treatment of sperm bound with antisperm antibody prior to oocyte insemination improves IVF pregnancy rates. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 601-605, 1995.

293. Summers D, Hoover L, Check JH, Shanis BS: Cumulus removal (CR), oocyte concentration, and use of follicular fluid (FF) improve pregnancy rate (PRs) following IVF for severe male factor. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 611-615, 1995.

294. Hoover L, Check JH, Nazari A, O'Shaughnessy A: The use of donor sperm vs oocytes to evaluate the course of failed fertilization. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 635-638, 1995.

295. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: The effect of endometrial and echo pattern on IVF outcome in donor oocyte-embryo transfer cycles. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 643-646, 1995.

296. Hoover L, Summers D, Check JH, Nazari A, O'Shaughnessy A: Pregnancy after zona drilling of cryopreserved thawed embryos. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 647-650, 1995.

297. Sapoznikov V, Check JH, O'Shaughnessy A, Nazari A: The relationship of endometriosis and pre-hCG endometrial sonographic studies in patients undergoing in vitro fertilization embryo transfer (IVF-ET). In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 687-691, 1995.

298. Shanis B, Nazari A, Check JH, Summers D, O'Shaughnessy A: Culture and treatment of mycroplasma/ureaplasma (M/U) infection not found helpful to improve pregnancy rates following IVF. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 727-730, 1995.

299. Hoover L, Shanis B, Summers D, Check JH: Standard sperm separation procedures (swim-up vs percoll methods) do not alter male-female sex ratio following IVF-ET. In: IX World Congress on In Vitro Fertilization and Assisted Reproduction, International Proceedings Division. eds: Aburumieh A, Bernat E, Dohr G, Feichtinger W, Fischl, Huber J, Muller E, Szalay S, Urdl W, Zech H. Monduzzi Editore. pgs. 769-772, 1995.

300. Check JH, Nazari A, Dietterich C: Comparison of androgen levels in conception vs. non-conception cycles following controlled ovarian stimulation using the luteal phase gonadotropin-releasing hormone agonist protocol. Gynecol Endocrinol 9:209-214, 1995.

301. Check JH, Hoover L, Nazari A, O'Shaughnessy A, Summers D: The effect of assisted hatching on pregnancy rates after frozen embryo transfer. Fertil Steril 65:254-257, 1996.

302. Check JH, Peymer M, Lurie D, Suryanarayan C: The relationship of early follicular phase serum LH and pregnancy rates in women with regular menses. Obstet Gynecol 87:291-296, 1996.

303. Check JH, O'Shaughnessy A, Lurie D, Fisher C, Adelson HG: Evaluation of the mechanism for higher pregnancy rates in donor oocyte recipients by comparison of fresh with frozen embryo transfer pregnancy rates in a shared oocyte programme. Hum Reprod 10:3022-3027, 1995.

304. Check JH, Szekeres-Bartho J, O'Shaughnessy A: Progesterone induced blocking factor seen in pregnancy lymphocytes soon after implantation. Am J Reprod Immunol 35:277-280, 1996.

305. Check JH: Letter-to-the-Editor: Progesterone, impedance to blood flow, and luteal inadequacy? Fertil Steril 65:454, 1996.

306. Katsoff D, Check JH: Letter-to-the-Editor: Trying to make heads or tails out of antisperm antibody data. Fertil Steril 65:675-676, 1996.

307. Check JH: Low-dose gonadotrophin stimulation for luteal phase defects - does absence of LH help pregnancy rates? Del Med Jrl 68:223-226, 1996.

308. Check JH, Lauer C, Ubelacker L, Kuhn R: Comparison of an enzyme-linked immunosorbent assay vs radioimmunoassay for measuring serm progesterone at low levels. Clin Exp Obst Gyn 23(2):61-64, 1996.

309. Bollendorf A, Check JH, Lurie D: Evaluation of the effect of the absence of sperm with rapid and linear progressive motility on subsequent pregnancy rates following intrauterine insemination or in vitro fertilization. J Androl, In press.

310. Peymer M, Check JH: The frequency of infertility etiologies, pregnancy and spontaneous abortion rates according to age of female partner. ARTA, In press.

311. Check ML, Check DJ, Katsoff D, Check JH: Improved results of thawed sperm cryopreserved with slow stage cooling with a cellevator. Arch Androl 37:61-64, 1996.

312. Check JH: Differential age of the endometrium [letter]. Fertil Steril 66(1):174-175, 1996.

313. Askari HA, Check JH, Fine W, Lurie D: Midcycle steroidal levels after ultra-low dose pure follicle-stimulating hormone stimulation versus human menopausal gonadotropin stimulation versus human menopausal gonadotropin stimulation in euestrogen women with follicular maturation defects. Endo Pract 2(3):173-175, 1996.

314. Check JH, Peymer M: A prospective study of sera androgen levels according to elevated or normal serum follicle stimulating hormone (FSH) in women with regular menses. Endo Pract, In press.

315. Check JH, Nazari A, Kuhn R, Lauer C: Relationship of early follicular phase sera follicle stimulating hormone and luteinizing hormone levels as measured by a radioimmunoassay and an enzyme-linked immunosorbent assay to number of oocytes retrieved. Clin Exper Obst Gyn 23(2):83-86, 1996.

316. Shanis BS, Check JH: Relative resistance of a macroprolactinoma to bromocriptine therapy during pregnancy. Gynecol Endocrinol 1996 Apr;10(2):91-4

317. Check JH, Fine W: Similar pregnancy rates and spontaneous abortion rates with treatment with low-dose hMG vs pure FSH in women with luteal phase defects. Clin Exper Obstet Gynecol, In press.

318. Baker AF, Check JH, Hourani CL: Survival and pregnancy rates of pronuclear stage human embryos cryopreserved and thawed using a single step addition and removal of cryoprotectants. Hum Reprod Update, In press.

319. Check JH, Baker A, Benfer K, Lurie D, Katsoff D: Transfer of cryopreserved embryos improved pregnancy rates in patients with damage to the functional integrity of the sperm membrane as measured by the hypo-osmotic swelling test. Fertil Steril 65(6):1241-1244, 1996.

320. Kiefer D, Check JH, Katsoff D: The value of motile density, strict morphology, and the hypoosmotic swelling test in in vitro fertilization-embryo transfer. Arch Androl 37:57-60, 1996.

321. Hoover L, Baker A, Check JH, Lurie D, Summers D: Clinical outcome of cryopreserved human pronuclear stage embryos resulting from intracytoplasmic sperm injection. Fertil Steril, in press.

322. Dietterich C, Check JH, Lurie D: A comparison of early gestational age markers in viable twin pregnancies resulting from in vitro fertilization-embryo transfer versus spontaneous conception with ovarian stimulation. Clin Exper Obstet Gynecol, in press.

323. Dietterich C, Check JH, Lurie D: Comparison of pregnancy outcome of natural twin pregnancies versus multifetal pregnancies selectively reduced to twins. Clin Exper Obstet Gynecol, in press.

324. Check JH, Arwitz M, Gross J, Peymer M, Szekeres-Bartho J: Lymphocyte immunotherapy (LI) increases serum levels of progesterone induced blocking factor. Am J Reprod Immunol, in press.

325. Baker A, Check JH, Lurie D, Hourani C, Hoover LM: Pregnancy achieved from prnuclear stage embryos that were cryopreserved and thawed twice: A case report. J Assist Reprod Genet, in press.

PUBLISHED ABSTRACTS

1. Check JH, Childs TC, Derasse AR, Brady LW: Studies of immunological protection against virally-induced mammary tumors of R III mice. The J of Cell Biology 47, 1970.

2. Check JH, Childs TC, Derasse AR, Brady LW: Immunological protection against spontaneous mammary tumors in R III mice. Proc Amer Assoc for Cancer Research 95, April, 1971.

3. Check JH, Brady LW, O'Neill EA: Effect of complete Freund's adjuvant on transplanted and spontaneous lymphoma in AKA mice. Proc Amer Assoc Cancer Research 14:33, 1973.

5. Check JH, Leipold PL, Brady LW: Immunologic protection against murine Hodgkins-like reticulum cell sarcoma. Proc Amer Assoc Cancer Research, 1976.

6. Check JH, Goldfarb AF, Rakoff AE, Slipyan P: 17-Alpha Hydroxylase deficiency as a cause of primary amenorrhea, sexual retardation, hypertension and elevated aldosterone. 58th Annual Meeting of the Endocrine Society.

7. Check JH: Clomiphene Citrate: Hope for the subfertile man. Modern Medicine, October 15, 1977.

8. Check JH, Rakoff AE: Improved fertility in oligospermic males treated with clomiphene citrate. American Fertility Society, March, 1978.

9. Silverman GA, Check JH, Dryden RL, Brady LW: Inhibition of spontaneous AKR leukemia by inoculation of heat-altered syngeneic tumor cells and BCG in combination with splenectomy. Proc Amer Assoc Cancer Research, April, 1978.

10. Check JH, Silverman GA, Au Yang R, Brady LW: Inhibition of spontaneous AKR leukemia by inoculations of heat-altered syngeneic tumor cells (HATC) and bacillus calmette guerin (BCG) in combination with splenectomy. Proc Amer Assoc Cancer Research, April, 1978.

11. Check JH: Infertility: Proof drug works for men. Medical World News, May 1, 1978.

12. Check JH: Improved semen quality in subfertile males with varicocele-associated oligospermia following treatment with clomiphene citrate. Interhaus, May, 1979.

13. Check JH: Improved fertility results with split ejaculate insemination and improved cervical mucus. World Conference on Embryo Transfer and Instrumental Insemination, September, 1980.

14. Check JH: Improved semen quality in subfertile males with varicocele -associated oligospermia following treatment with clomiphene citrate. Urology Digest: p.11-12, February, 1981.

15. Check et al: Improved semen quality after a short interval second ejaculation. Proceedings of The American Fertility Society, September, October, 1985.

16. Check et al: The clinical usefulness of the hamster ova penetration test in unexplained infertility. Proceedings of XII World Congress on Fertility and Sterility, October, 1986.

17. Check et al: Combined use of pelvic sonography and serum estradiol (E₂) and progesterone (P) assays in more precise monitoring of ovulation in infertility patients. Proceedings of XII World Congress on Fertility and Sterility, October, 1986.

18. Check et al: An in vivo technique for screening immunologic factors in infertility. Proceedings of XII World Congress on Fertility and Sterility, October, 1986.

19. Check JH, Wu CH: An In Vivo Technique for screening immunologic factors in the etiology of the unexplained poor post coital test. Proceedings of The American Society of Andrology, March, 1987.

20. Check et al: Luteal Phase Defects - New Techniques in Determining Therapy and the Role of Hyperprolactinemia. Proceedings of International Congress on Gynecological Endoscopy, IVF and Human Reproduction, June 7-11, 1987.

21. Check et al: Improved Fertility with Clomiphene Therapy of the Male with Normal Spermograms in Unexplained Infertility. Proceedings of International Congress on Gynecological Endoscopy, IVF and Human Reproduction, June 7-11, 1987.

22. Check et al: The Importance of Laparoscopic Coagulation of Mild Endometriosis in Infertile Women. Proceedings of International Congress on Gynecological Endoscopy, IVF and Human Reproduction, June 7-11, 1987.

23. Check, JH: The importance of luteal phase deficiency as a cause of infertility in private practice - a preliminary report. Proceedings of the Fertility Research Foundation, March 26-27, 1989.

24. Check et al: Bromocriptine Versus Progesterone Therapy for Infertility Related to Luteal Phase Defects in Hyperprolactinemic Patients. Proceedings of The American Fertility Society's Annual Meeting, September 27-October 1, 1987.

25. Check et al: Ovulation Inducing Drugs Versus Progesterone Therapy for Infertility in Patients With Luteal Phase Defects. Proceedings of The American Fertility Society's Annual Meeting, September 27-October 1, 1987.

26. Check et al: A controlled study laparoscopic fulguration of stage 1 and 2 endometriosis in infertility. Proceedings of the VI World Congress on Human Reproduction, October, 1987.

27. Check et al: Bromocriptine versus progesterone therapy for infertility related to luteal phase defects in hyperprolactinemic patients. Proceedings of the VI World Congress on Human Reproduction, October, 1987.

28. Check et al: Empirical therapy of the male with clomiphene citrate in couples with unexplained infertility. Proceedings of the VI World Congress on Human Reproduction, October, 1987.

29. Check et al: Ovulation-inducing drugs versus progesterone therapy for infertility in patients with luteal phase defects. Proceedings of the VI World Congress on Human Reproduction, October, 1987.

30. Check et al: The clinical significance of the hypo-osmotic swelling (HOS) test. Proceedings of the Pacific Coast Fertility Society, April, 1988.

31. Check et al: The clinical correlation of the progestogen associated endometrial protein (PEP) with the endometrial biopsy. Proceedings of the 8th International Congress of Endocrinology, July, 1988.

32. Check JH, Adelson HG, Shanis BS: Comparative clinical effect of spironolactone versus amphetamine for idiopathic orthostatic edema. Proceedings of the 8th International Congress of Endocrinology, July, 1988.

33. Check et al: The Clinical Correlation of the Progestogen Associated Endometrial Protein (PEP) with the Endometrial Biopsy. Proceedings of the American Fertility Society, 44th Annual Meeting, October, 1988.

34. Check et al: Treatment of Luteinized Unruptured Follicle Syndrome in Infertility Patients. Proceedings of the American Fertility Society, 44th Annual Meeting, October, 1988.

35. Check et al: Effect of Age on Infertility Therapy. Proceedings of the American Fertility Society, 44th Annual Meeting, October, 1988.

36. Check et al: Failure of Positive Chlamydia Trachomatis Antibody Levels to Correlate with Infertility. Proceedings of the Fifth World Conference on Infectious Diseases and Human Infertility, January 12-15, 1989.

37. Check et al: CA-125 levels in in vitro fertilization-embryo transfer pregnancies versus natural pregnancies. Proceedings of the VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, April, 1989.

38. Check et al: Correlation of computerized semen analysis and IVF-ET percent fertilization. Proceedings of the VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, April, 1989.

39. Check et al: Results of in vitro fertilization-embryo transfer (IVF-ET) in women with ovarian failure. Proceedings of the VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, April, 1989.

40. Check et al: Serum progestogen - associated endometrial protein (PEP) levels in conception versus non-conception cycles in patients undergoing in vitro fertilization-embryo transfer (IVF-ET). Proceedings of the VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, April, 1989.

41. Check et al: In vitro fertilization-embryo transfer for unexplained infertility (IVF-ET) - a unique case report. Proceedings of the VI World Congress In Vitro Fertilization and Alternate Assisted Reproduction, April, 1989.

42. Check et al: A challenge to the concept that spontaneous abortion is inevitable when the serum progesterone is less than 15 ng/ml. Proceedings of the International Meeting of Pregnancy Loss, April, 1989.

43. Check et al: Progesterone therapy to decrease spontaneous abortions. Proceedings of the International Meeting of Pregnancy Loss, April, 1989.

44. Check et al: Late first and early second trimester abortions in women demonstrating early first trimester elevations in CA-125. Proceedings of the International Meeting of Pregnancy Loss, April, 1989.

45. Check et al: Addition of sperm free donor seminal plasma to low volume antegrade ejaculate in men with retrograde ejaculation. Proceedings of the American Society of Andrology 14th Annual Meeting, Journal of Andrology, January/February, 1989.

46. Check et al: Routine semen analysis versus computer automated semen analysis to predict male fertility potential. Proceedings of the American Society of Andrology 14th Annual Meeting, Journal of Andrology, January/February, 1989.

47. Check et al: The hypo-osmotic swelling test as an adjunct to the semen analysis as a prediction of fertility potential. Proceedings of the American Society of Andrology 14th Annual Meeting, Journal of Andrology, January/February, 1989.

48. Check et al: Treatment of cervical factor in infertility patients. Proceedings of the Pacific Coast Fertility Society, April, 1989.

49. Check JH, Winkel CA, Bollendorf A: Addition of sperm free donor seminal plasma to low volume antegrade ejaculate in men with retrograde ejaculation. Proceedings of the IV International Congress of Andrology, May, 1989.

50. Check JH, Shanis B, Winkel CA, Bollendorf A: Routine semen analysis versus computer automated semen analysis to predict male fertility potential. Proceedings of the IV International Congress of Andrology, May, 1989.

51. Check JH, Chase JS, Winkel CA, Shanis B, Bollendorf A, Press M: The hypo-osmotic swelling test as a useful adjunct to the semen analysis to predict fertility potential. Proceedings of the IV International Congress of Andrology, May, 1989.

52. Check et al: Very high CA-125 level as a possible predictor of spontaneous abortion. Proceedings of The American College of Obstetricians and Gynecologists, Annual Meeting, May, 1989.

53. Check JH, Adelson H, Dietterich C, Stern J: Pelvic sonography can predict ovum release in gonadotropic-treated patients. Proceedings of the European Society of Human Reproduction and Embryology, 5th Annual Meeting, June, 1989.

54. Check JH, et al: Laboratory techniques for achieving human sex preselection. Safe parenthood, Cairo, Egypt, September, 1989.

55. Check JH, et al: Unexplained infertility and the male factor. Safe Parenthood, Cairo, Egypt, September, 1989.

56. Check JH, et al: Interpretation of the semen analysis. Safe Parenthood, Cairo, Egypt, September, 1989.

57. Spirito P, Check JH, Nowroozi K, Chase, JS: A clinical evaluation of the pipelle endometrial suction curette (Pipelle de Cornier) for timed endometrial biopsies. The XIII World Congress on Fertility and Sterility, October, 1989.

58. Check JH, Chase JS, Nowroozi K, Nazari A: Ovulation induction and pregnancies in women with ovarian failure. The XIII World Congress on Fertility and Sterility, October, 1989.

59. Lauer C, Check JH, Nowroozi K: Low 17 hydroxyprogesterone levels during first trimester predictive of spontaneous abortion. The XIII World Congress on Fertility and Sterility, October, 1989.

60. Nowroozi K, Check JH, Chung WH: Ectopic pregnancy resulting from microsurgical fallopian tube transposition. The XIII World Congress on Fertility and Sterility, October, 1989.

61. Zohn J, Check JH, Nowroozi K, Nazari A: The results of chlamydia trachomatis antibody testing should not influence patient/doctor decision on performing tubal studies. The XIII World Congress on Fertility and Sterility, October, 1989.

62. Check JH, Nowroozi K, Epstein RH, Winkel CA, Wu CH: Premature luteinization in unstimulated cycles in infertile women and its treatment. American Fertility Society 45th Annual Meeting, November 11-16, 1989.

63. Check JH, Shanis BS, Cooper SO, Bollendorf A: Male sex selection following swim-up technique and insemination in gonadotropin-treated women. American Fertility Society 45th Annual Meeting, November 11-16, 1989.

64. Check JH, Chase JS, Nowroozi K, Nazari A, Winkel C: Pitfalls in the use of a single rapid progesterone assay to diagnose early ectopic pregnancies. American Fertility Society 45th Annual Meeting, November 11-16, 1989.

65. Check JH, Shanis BS, Bollendorf A, Breen E, Adelson H: Computer assisted semen analysis parameters and hypo-osmotic swelling changes with advancing age. Proceedings of the American Society of Andrology, 15th Annual Meeting, Journal of Andrology, January/February, 1990.

66. Check JH, Bollendorf A, Press M, Kozak J: Correlation of WHO grading system of motility versus linearity and velocity from computerized semen analysis (including prediction of fertility potential). Proceedings of the American Society of Andrology, 15th Annual Meeting, Journal of Andrology, January/February, 1990.

67. Check JH, Bollendorf A, Press M, Blue T: Sperm morphology as a predictor of male fertility potential. Proceedings of the American Society of Andrology, 15th Annual Meeting, Journal of Andrology, January/February, 1990.

68. Check JH, Liss J, Framroze A, Bollendorf A: Motile density not predictive of sperm fertilization potential as determined by pregnancies achieved using therapeutic insemination with donor. Proceedings of the American Society of Andrology, 15th Annual Meeting, Journal of Andrology, January/February, 1990.

69. Check JH, Bollendorf A: Comparison of fresh versus frozen donor seminal plasma for enhancing motility in asthenospermic semen samples. Proceedings of the American Society of Andrology, 15th Annual Meeting, Journal of Andrology, January/February, 1990.

70. Nazari A, Check JH: Small for dates crown rump length and sac size predictive of spontaneous abortion despite fetal viability. Proceedings from the 38th Annual Meeting of the Pacific Coast Fertility Society, April 25-29, 1990.

71. Check JH, Nazari A: Comparison of techniques for ovulation induction in women with hypergonadotropic amenorrhea. Proceedings from the 38th Annual Meeting of the Pacific Coast Fertility Society, April 25-29, 1990.

72. Chase J, Check JH, Shapse D: Use of progesterone assay in monitoring mid-cycle related ovulatory defects in hMG treated patients. Proceedings from the International Symposium on Major Advances In Human Female Reproduction, May 10-12, 1990.

73. Check JH, Chase JS, Adelson HG: Evidence for the existence of a pure corpus luteum deficiency. Proceedings from The 7th Reinier DeGraaf Symposium, Maastricht, The Netherlands, May 30-June 2, 1990.

74. Adelson HG, Check JH, Chase J, Press M: Determination of the clinical significance of antisperm antibodies using an in vivo insemination technique. Proceedings from the 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities and Limits, Tremezzo (Como), Italy, June 1-2, 1990.

75. Chase J, Check JH, Lee M, Kozak J: Subtle motility abnormalities diagnosed by computer assisted semen analysis not found to correlate with infertile males better than conventional analysis. Proceedings from the 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities and Limits, Tremezzo (Como), Italy, June 1-2, 1990.

76. Check JH, Liss JR: The use of therapeutic donor insemination to demonstrate the inadequacy of present WHO standards for normal motile density in distinguishing fertile from nonfertile males. Proceedings from the 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities and Limits, Tremezzo (Como), Italy, June 1-2, 1990.

77. Check JH, Press M, Bollendorf A: Evaluation of the Kruger strict method for sperm morphology in predicting infertile males. Proceedings from the 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities and Limits, Tremezzo (Como), Italy, June 1-2, 1990.

78. Lee MA, Storey, BT, Check JH: Endpoint of first stage of zona pellucida-induced reaction in mouse spermatozoa characterized by acrosomal H⁺ and Ca²⁺ permeability: a possible model for the human system. Proceedings from the 2nd International Meeting of Andrology, Diagnosing Male Infertility - New Possibilities and Limits, Tremezzo (Como), Italy, June 1-2, 1990.

79. Check JH, Nowroozi K, Check ML, Vetter BH: Correlation of serum progestogen associated endometrial protein levels with endometrial biopsies, serum steroid levels, and therapy for luteal phase defects. Proceedings from the VIII World Congress On Human Reproduction, Helsinki, Finland, June 26-July 1, 1990.

80. Check JH, Chase JS, Spirito P: Efficacy of intrauterine insemination versus sexual relations versus intracervical insemination for treatment of cervical factor. Proceedings from the VIII World Congress On Human Reproduction, Helsinki, Finland, June 26-July 1, 1990.

81. Check JH, Nowroozi K, Chase JS, Nazari A, Braithwaite C, Goldsmith G: Evidence supporting the hyperstimulation regimen as a negative factor for in vitro fertilization pregnancies. American Fertility Society 46th Annual Meeting, Washington, D.C., October 13-18, 1990.

82. Baker AF, Nowroozi K, Check JH, Goldsmith G, Lee M: Results of cryopreservation of human embryos using a modified one-step method. American Fertility Society 46th Annual Meeting, Washington, D.C., October 13-18, 1990.

83. Lee MA, Check JH, Kopf GS: A guanine nucleotide-binding regulatory protein in human sperm mediates acrosomal exocytosis induced by the human zona pellucida. American Fertility Society 46th Annual Meeting, Washington, D.C., October 13-18, 1990.

84. Check JH, Chase JS, Spence M: Pregnancy in premature ovarian failure after therapy with oral contraceptives despite resistance to previous human menopausal gonadotropin therapy. Fertility Digest. In Press.

85. Check JH, Nowroozi K, Chase JS, Vaze M, Joshi J, Baker AF: Serum progestogen - associated endometrial protein (PEP) levels in conception versus nonconception cycles following in vitro fertilization - embryo transfer. Fertility Digest 1:9-10, 1991.

86. Check JH, Nowroozi K, Chase JS, Nazari A, Shapse D, Vaze M: Ovulation induction and pregnancies in 100 consecutive women with hypergonadotropic amenorrhea. Fertility Digest 1:17-18, 1991.

87. Adelson HG, Check JH, Stern J: Influence of serum progesterone levels at the time of hCG on the release of ova during hMG cycles. Int J Fertil 35:370, 1990.

88. Check JH, Nowroozi K, Chern R, Seefried L: Elevated early first trimester CA-125 levels may be predictive of fetal anomalies. Int J Fertil 35:371, 1990.

89. Check JH, Liss J, Bollendorf A: Evaluation of the semen analysis in determining the role of male factor in infertility. Int J Fertil 35:372, 1990.

90. Check JH, Nowroozi K: Donor egg IVF versus attempts to induce ovulation in women with ovarian failure. Int J Fertil 35:373, 1990.

91. Nowroozi K, Check JH, Adelson HG: Periderm abnormalities may be predicted by elevated CA-125 levels during first few weeks following conception. Abstracts of the second joint meeting of the European Society of Human Reproduction and Embryology and the European Sterility Congress Organization. Supplement to Volume 5, page 5.

92. Dietterich C, Check JH: Sonographic clues to predict subsequent intrauterine fetal demise despite demonstration of viability at eight weeks. Abstracts of the second joint meeting of the European Society of Human Reproduction and Embryology and the European Sterility Congress Organization. Supplement to Volume 5, page 10.

93. Check JH, Shanis BS, Wu CH, Bollendorf A: Evaluating glass, polystyrene, and polypropylene containers for semen collection and sperm washing. Yearbook of Infertility 1989, Chapter 4, page 77-78.

94. Check JH, Dietterich C: Effects of follicle stimulating drugs on serum androgen levels and subsequent consequences on pregnancy rate. Pacific Coast Fertility Society, Program Supplement Abstracts of Oral and Poster Presentation, 39th Annual Meeting. #10.

95. Check JH, Chase JS, Adelson HG, Jamison T: The effect of the short follicular phase on subsequent conception. Pacific Coast Fertility Society, Program Supplement Abstracts of Oral and Poster Presentation, 39th Annual Meeting. #23.

96. Choe J, Nowroozi K, Check JH, Dietterich C, Goldsmith G: Influence of sonographically determined endometrial thickness and growth on pregnancy rates in IVF-ET cycles. Pacific Coast Fertility Society, Program Supplement Abstracts of Oral and Poster Presentation, 39th Annual Meeting. #27.

97. Nowroozi K, Check JH Baker A, Fisher C, Spirito P: Comparison of the effect of a long vs ultra-short gonadotropin releasing hormone regimen on IVF-ET statistics. Pacific Coast Fertility Society, Program Supplement Abstracts of Oral and Poster Presentation, 39th Annual Meeting. #28.

98. Nowroozi K, Check JH, Nazari A, Callan C: Luteal phase support: Comparison of high and low dose progesterone therapy on pregnancy rates in an in vitro fertilization program. Pacific Coast Fertility Society, Program Supplement Abstracts of Oral and Poster Presentation, 39th Annual Meeting. #29.

99. Shanis BS, Check JH, Bollendorf A: The effect of clomiphene citrate on sperm morphology. Journal of Andrology. January/February 1991 Supplement, 16th Annual Meeting Program and Abstracts. page 35, #41.

100. Check JH, Adelson H, Bollendorf A: The use of the kruger strict test for sperm morphology in distinguishing the fertile from subfertile male. Journal of Andrology. January/February 1991 Supplement, 16th Annual Meeting Program and Abstracts. page 51, #107.

101. Check JH, Bollendorf A, Shanis B: Motile density levels distinguishing fertile from subfertile males. January/February 1991 Supplement, 16th Annual Meeting Program and Abstracts. page 53, #114.

102. Check JH, Check ML, Long R: Detrimental effect of cryopreservation on human sperm viability. January/February 1991 Supplement, 16th Annual Meeting Program and Abstracts. page 55, #124.

103. Check JH, Nowroozi K, O'Shaughnessy A, Shapse D: Elevation of first trimester 17-hydroxyprogesterone levels despite the absence the absence of corpora lutea. Thirty-Ninth Annual Meeting of the American College of Obstetrics and Gynecology.

104. Check JH, Chase JS, Nazari A, Nowroozi K, Callan C: A randomized prospective study comparing the influence of two different dosages of luteal phase progesterone therapy on pregnancy and abortion rates following IVF-ET. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

105. Nowroozi K, Check JH, Chase JS, Nazari A, Goldsmith G: Comparison of pregnancy rates in donors and recipients using the same pool of oocytes. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

106. Check JH, Nowroozi K, Baker A, Fisher C, Spirito P: Comparison of pregnancy rates following a 3 day follicular phase short leuprolide acetate hyperstimulation regimen to the traditional long leuprolide (luteal phase protocol). Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

107. Nowroozi K, Check JH, O'Shaughnessy A, Shapse D: Measurement of 17-hydroxyprogesterone levels during the first trimester of donor oocyte pregnancies. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

108. Check JH, Bollendorf A: Effect of antisperm antibodies on post-coital results and the effect of intrauterine insemination (IUI) on pregnancy outcome. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

109. Check JH, Nowroozi K, Coates T, Callan C: Evaluation of women with zero percent fertilization in IVF program. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

110. Check JH, Coates T, Chase JS, Lee M: Detection of male factor despite normal motile densities in donor oocytes for IVF. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

111. Check JH: The importance of semen parameters and the use of IVF-ET to identify male factor. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

112. Nowroozi K, Check JH, Choe J, Dietterich C, Goldsmith G: Increased endometrial thickness increase at time of hCG is associated with an increased pregnancy rate following IVF-ET and a leuprolide-acetate- hMG hyperstimulation protocol. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

113. Baker AF, Check JH, Nowroozi K, Goldsmith G, Lee M: Cryopreservation of human embryos using a shorter cooling program/one step removal of cryoprotectant during thawing. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

114. Check JH, Adelson HG, Bollendorf A, Katsoff D: Effect of antisperm antibodies on the computerized semen analysis. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

115. Check JH, Nowroozi K, Chase JS, Coates T, Nazari A, Lee M: The donor oocyte program-what it can teach us about the semen analysis as a predictor of fertilization. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

116. Check JH, Adelson HG, Schubert B, Bollendorf A, Katsoff D: The evaluation of sperm morphology using Kruger's strict criteria. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

117. Check JH, Kozak J, Katsoff D: Effect of swim-up, Percoll, and Sephadex, sperm separation: Methods on the hypo-osmotic swelling test. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

118. Check M, Check JH: Some insight as to why cryopreserved sperm may have reduced fertility potential and attempts to improve it. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

119. Check D, Check JH, Katsoff D: Evidence for the existence of a cryo-labile motility enhancing factor in human seminal plasma. Assisted Reproductive Technology/Andrology Animal Reproduction and Nordic Society for Reproduction in Farm/Pet Animals, June 24-26, 1991, Copenhagen, Denmark.

120. Nowroozi K, Check JH, O'Shaughnessy, Shapse D: Measurement of 17-hydroxyprogesterone levels during the first trimester of donor oocyte pregnancies. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

121. Nowroozi K, Baker AF, Check JH, Goldsmith G, Lee M: Cryopreservation of human embryos using a shorter cooling program and a single step removal of cryoprotectant during thawing. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

122. Check JH, Nowroozi K, Coates T, Callan C: An evaluation of women with zero percent fertilization in an in vitro fertilization program. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

123. Check JH, Coates T, Nowroozi K, Chase JS, Nazari A, Lee M: The donor oocyte program - what it can teach us about the semen analysis as a predictor of fertilization. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

124. Check JH, Chase JS, Nazari A, Nowroozi K, Callan C: A randomized prospective study comparing the influence of two different dosages of luteal phase progesterone therapy on pregnancy and abortion rates following IVF-ET. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

125. Nowroozi K, Check JH, Chase JS, Nazari A, Goldsmith G: Comparison of pregnancy rates in donors and recipients using the same pool of oocytes. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

126. Nowroozi K, Check JH, Choe J, Dietterich C, Goldsmith G: Increased endometrial thickness at time of hCG is associated with an increased pregnancy rate following IVF-ET and a leuprolide-acetate hMG hyperstimulation protocol. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

127. Check JH, Nowroozi K, Baker A, Fisher C, Spirito P: Comparison of pregnancy rates following a 3 day follicular phase short leuprolide acetate hyperstimulation regimen to the traditional long leuprolide (luteal phase) protocol. 7th World Congress on In Vitro Fertilization and Assisted Procreations, Paris, France, June 30-July 3, 1991.

128. Check JH, Dietterich C, Adelson HG: The effect of follicle maturing drugs on influencing side of ovulation on succeeding cycles. 7th Annual Meeting of the European Society of Human Reproduction and Embryology, Paris, France, June 28-30, 1991.

129. Check JH, Kozak J, Katsoff D: Effect of swim-up, Percoll, and Sephadex sperm separation methods on the hypo-osmotic swelling test. 7th Annual Meeting of the European Society of Human Reproduction and Embryology, Paris, France, June 28-30, 1991.

130. Check JH, Nazari A, Davies E, Vetter B: Comparison of first trimester serum estradiol levels in aborters versus non-aborters. 7th Annual Meeting of the European Society of Human Reproduction and Embryology, Paris, France, June 28-30, 1991.

131. Check JH: Ovulation early in cycle may lower woman's fecundity rate. Ob Gyn News June 15-30, 1991.

132. Check JH, Nazari A, Nowroozi K, Shapse D, Chase JS, Vaze M: Ovulation induction and pregnancies in 100 consecutive women with hypergonadotropic amenorrhea. Yearbook of Infertility 1991, Chapter 9 - Ovulation Induction 160-161, 1991.

133. Check JH, Dietterich C, Lauer C, et al: Ovulation-inducing drugs versus specific mucus therapy for cervical factor. Fertility Digest, January, 1992, pgs 18-20.

134. Check JH, Nowroozi K, Chase JS, Dietterich C: Comparison of androgen and other hormone levels throughout the IVF cycle in pregnant versus nonpregnant patients. 47th Annual Meeting of the American Fertility Society, Orlando, Florida, October 19-24, 1991.

135. Weiss R, Check JH, Syrkin M: Analysis of serum hCG levels in normal singleton, multiple and abnormal pregnancies. 47th Annual Meeting of the American Fertility Society, Orlando, Florida, October 19-24, 1991.

136. Check JH, Nowroozi K, Davies E: A randomized prospective study comparing pregnancy rates following clomiphene citrate or human menopausal gonadotropin therapy. 47th Annual Meeting of the American Fertility Society, Orlando, Florida, October 19-24, 1991.

137. Check JH: Modern Methods of Diagnosing and Treating Ovulation Disorders. Women's Health Care in the 90's, Lake Buena Vista, Florida, February 16-19, 1992

138. Check JH: Male Factor Infertility - What Role Does the Female Partner Play. Women's Health Care in the 90's, Lake Buena Vista, Florida, February 16-19, 1992

139. Barnea ER, Check JH, Ashkenazi R, Sarne Y: Evidence for a paracrine interaction between progesterone and hCG secretion in the first trimester placenta. Society for Gynecologic Investigation 39th Annual Meeting, San Antonio, Texas, March 18-21, 1992.

140. Check ML, Check DJ, Check JH, Press M, Long R: Comparison of a rapid cryopreservation technique using test-yolk buffer to the standard procedure on semen parameters. American Society of Andrology, 1992 Annual Meeting, Bethesda, Maryland, March 27-30, 1992

141. Check DJ, Check JH, Bollendorf A, Breen E, McMonagle K, Long R: Comparison of human seminal plasma versus human tubal fluid media on the motility of cryopreserved thawed sperm. American Society of Andrology, 1992 Annual Meeting, Bethesda, Maryland, March 27-30, 1992

142. Check JH, Zavos PM, Katsoff D, Kiefer D: Effect of percoll discontinuous density gradients vs spermprep^TMII vs sephadex gel filtration on semen parameters. American Society of Andrology, 1992 Annual Meeting, Bethesda, Maryland, March 27-30, 1992

143. Check JH, Bollendorf A, Lurie D: Comparison of modified swim-up, mini percoll and sephadex G-10 sperm washing procedure on semen parameters. American Society of Andrology, 1992 Annual Meeting, Bethesda, Maryland, March 27-30, 1992

144. Check JH, Adelson H, Davies E: The effect of clomiphene citrate therapy on post coital tests in successive treatment cycles and the response to estrogen therapy. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

145. Check JH, Nowroozi K, Choe J, Lurie D, Dietterich C: The effect of endometrial thickness and echo pattern on IVF outcome in donor oocyte-embryo transfer cycles. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

146. Check JH, Weiss W, Vetter B: The use of a short course of leuprolide acetate vs hCG to release oocytes in hMG treated women. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

147. Barnea ER, Check JH, Neubrun, Shurtz-Swirski R: Inhibitory effect of insulin on hCG secretion in the first trimester placenta in vitro. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

148. Barnea ER, Avigdor S, Zakheim D, Boadi W, Check JH: Anticarcinogenic and antimutagenic potential of the placenta in vitro in the first trimester. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

149. Barnea ER, Check JH, Vetter B, Peymer M: Effect of progesterone replacement in the luteal phase in women without follicular maturing drugs on the corpus luteum function. 40th Annual Meeting of the Pacific Coast Fertility Society, Indian Wells, California, April 8-12, 1992.

150. Check JH, Chase JS: Options for preventing complications from high order multiple gestations resulting from hMG therapy. 40th Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Las Vegas, Nevada, April 26 - April 30, 1992

151. Check JH, Weiss W, Shapse D: Comparison of hCG vs GnRH-analog in releasing oocytes following ultra-low dose gonadotropin stimulation. Second International Capri Conference, Neuroendocrine and Peripheral Disorders of Female Reproductive System: Pathophysiology and Therapies, Capri, Italy May 22-26, 1992.

152. Check JH, Coates TE, Nowroozi K: Massimo innalzamento dei livelli di CA-125 in due pazienti affette da endometriosi severa. Search on Obstetrics and Gynaecology, Volume 1, 1992, No. 1, pages 10-11.

153. Check JH: Sees role for selective abortion in high-order multiple gestations. Ob. Gyn. News 27(12):10a, June 15, 1992.

154. Check JH, Standard semen analysis in infertility 'has failed us tremendously'. Ob. Gyn. News 27(8):14, April 15, 1992.

155. O'Shaughnessy A, Check JH, Nowroozi K, Liss J, Adelson H: The relationship of CA-125 throughout the menstrual cycle and endometriosis. The Proceedings of the 3rd World Congress on Endometriosis, June 1-3, 1992, Brussels, Belgium.

156. Shanis B, Check JH, Bollendorf A, Lurie D: Stability of the hypo-osmotic swelling test over time. Human Reprod Abstracts from the 8th Annual Meeting, ESHRE, Hague, July 5-8, 1992. Abstract #155, page 90.

157. Check JH, Choe J, Lee M, Lurie D: The relationship of sperm motile density, strict morphology and HOS scores to pregnancy and fertilization rates in IVF-ET. Human Reprod Abstracts from the 8th Annual Meeting, ESHRE, Hague, July 5-8, 1992. Abstract #88, page 52.

158. Check JH, Katsoff D: A prospective study to evaluate the efficacy of modified swim-up preparation for male sex selection. Human Reprod Abstracts from the 8th Annual Meeting, ESHRE, Hague, July 5-8, 1992, Abstract #9, page 8.

159. Barnea ER, Check JH: The effect of cell to cell contact, Ca⁺⁺, cAMP and protein synthesis on modulating hCG pulsatility using the superfusion model. International Symposium on Local Systems in Reproduction, Paris, France, July 6-7, 1992.

160. Lauer C, Check JH, Kuhn RA, Vetter BH: Comparison of a membrane based EIA with an automated MEIA for the detection of IgG antibodies to cytomegalovirus. 20th World Congress of Medical Technology, Ireland, July 26-31, 1992.

161. Shanis BS, Check JH, Bollendorf A, Lurie D: "Hypo-osmotic swelling test (HOS): its stability/reproducability over time", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20.

162. Check JH, Choe JK, Nowroozi K, Chase JS, Nazari A, Dietterich C: "The role of endometrial thickness in predicting IVF success" ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

163. Check ML, Check JH, Check DJ, Press M, Long R: "Rapid cryopreservation technique using test yolk buffer to the standard procedure/semen parameters", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

164. Check JH, Askari A, Barnea ER, Adelson HG, Tarquini P: "Role of progesterone in prevention of early pregnancy loss and supportive implantation", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

165. Check JH, Nowroozi K, Chase JS, Goldsmith G: "Pregnancy rates in donors/recipients using the same pool of oocytes", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

166. Barnea ER, Check JH, O'Shaughnessy A: "Pregnancy rate and outcome of embryo transfer: Dorsal lithotomy vs knee-chest position: A randomized prospective study", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

167. Check DJ, Check ML, Check JH, Breen E, McMonagle K: "Effect of fresh seminal plasma on cryopreserved thawed sperm on motility/HOST", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

168. Baker AF, Choe JH, Check JH, Hourani CL, Summers DC, Stumpo L: "Pregnancy rates using different hormonal stimulations for frozen embryo replacement cycles", ARTA Twin Conferences, Tossa de Mar, Costa Brava, Spain, August 18-20, 1992.

169. Barnea ER, Check JH: "Diabetic like conditions modify the endocrine function of first trimester human placenta in vitro", ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

170. Barnea ER, Check JH: Comparative effects of GnRH/cAMP on hCG secretion by placental explants in dynamic and static cultures", ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

171. Check JH, Choe J, Hoover L, Hourani CL, Summers DC, Benfer KM: "Election to be a donor in a shared oocyte program", ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

172. Check JH, Chase JS, Spirito P: "Therapeutic IUI for cervical factor: a controlled evaluation", ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

173. Shurtz-Swirski R, Barnea ER, Korenblum R, Check JH: "Effect of maternal cigarette smoking upon placental hCG secretion in vitro", ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

174. Sanyal MK, Barnea ER: "Metabolism of xenobiotics in human placentas of early pregnancy" ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

175. Check JH, Choe J, Nowroozi K, Long R, Baker A: Role of semen parameters in predicting fertilization/pregnancy outcome in IVF., ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

176. Barnea ER, Choe JK, Peymer M, Check JH: Effect of serum Sperm antibodies in women on embryo quality/pregnancy outcome following IVF a controlled study" ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

177. Barnea ER, Check JH, Choe J, Vetter B: Origin of first trimester serum 17-hydroxyprogesterone as determined by donor-oocyte pregnancies. ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

178. Barnea ER, Check JH: Comparative role of GnRH in pituitary/placental gonadotropin secretion., ARTA Twin Conferences, Munich, Germany, August 22-23, 1992.

179. Barnea ER, Check JH, Levi Y, Sharoni Y: Gestational dependent effect of GnRH in the placenta. Satellite Symposium on Gonadotropins, GnRH, GnRH Analogs and Gonadal Peptides, Paris, France, August 27-29, 1992.

180. Check JH, Barnea ER, Lauer C, Lurie D, Tarquini P: Comparison of serum follicle stimulating hormone levels using a radioimmunoassay versus a non-isotopic method. Satellite Symposium on Gonadotropins, GnRH, GnRH Analogs and Gonadal Peptides, Paris, France, August 27-29, 1992.

181. Adelson H, Check JH, Shanis B: Spontaneous ovulation and successful pregnancy despite bilateral streaked ovaries. Ninth International Congress of Endocrinology, Nice, France, August 30 - September 5, 1992. Abstract #P-14.04.056, page 490.

182. Check JH, Choe J, Barnea ER, Adelson H: The effect of the age of the recipient on pregnancy rates following donor oocyte replacement. Ninth International Congress of Endocrinology, Nice, France, August 30 - September 5, 1992. Abstract #P-14.04.057, page 491.

183. Barnea ER, Peymer M, Jairaj P, Check JH: Correlation between mid-cycle LH with estradiol and progesterone levels in natural cycles. Ninth International Congress of Endocrinology, Nice, France, August 30 - September 5, 1992. Abstract #P-14.03.049, page 475.

184. Check JH, Nowroozi K, Barnea ER, Tarquini P, Vetter B: The value of addition of progesterone therapy to leukocyte immunization for the prevention of spontaneous abortion in primary aborters. 5th International Congress of Reproductive Immunology, Rome, Italy, August 31 - September 3, 1992. Special Issue of the 5th International Congress of Reproductive Immunology, page 80.

185. Check JH, Nowroozi K, Katsoff D, Shanis B, Peymer M, Bollendorf A, Loonstyn M: The frequency of antisperm antibodies on the cervical mucus of women with poor post-coital tests and their effect on pregnancy rates. 5th International Congress of Reproductive Immunology, Rome, Italy, August 31 - September 3, 1992. Special Issue of the 5th International Congress of Reproductive Immunology, page 80.

186. Nowroozi K, Check JH, Choe J, Katsoff D, Shanis BS, Bollendorf A: The effect of positive sera antisperm antibodies on in vivo and IVF pregnancy and spontaneous abortion rates. 5th International Congress of Reproductive Immunology, Rome, Italy, August 31 - September 3, 1992. Special Issue of the 5th International Congress of Reproductive Immunology, page 124.

187. Katsoff D, Check JH, Nowroozi K: Effect of test yolk buffer on eluting antisperm antibodies from the sperm. 5th International Congress of Reproductive Immunology, Rome, Italy, August 31 - September 3, 1992. Special Issue of the 5th International Congress of Reproductive Immunology, page 106.

188. Barnea ER, Amiri Z, Fares F, Gavish M, Check JH: Evidence that benzodiazepine ligands bind to peripheral binding sites of first trimester placenta, and embryonal organs and subsequent effect on hormonal secretion. 12th Rochester Trophoblast Conference, Rochester, New York, October 1-4, 1992.

189. Barnea ER, Avigdor S, Check JH: Effect of the maternal serum of cigarette smokers on placental xenobiotic metabolic potential in the first trimester placenta in vitro. 12th Rochester Trophoblast Conference, Rochester, New York, October 1-4, 1992.

190. Check JH, Choe J, Adelson HG, Fisher C, Callan C: Effect of age of oocyte donors on pregnancy rates in a shared oocyte IVF program. 48th Annual Meeting of the American Fertility Society, New Orleans, Louisiana, October 31 - November 5, 1992 Abstract #O-092, page S42.

191. Check JH, Choe J, Nowroozi K, Hoover L: The influence of serum progesterone level at the time of hCG on subsequent pregnancy rates form in vitro fertilization-embryo transfer (IVF-ET). 48th Annual Meeting of the American Fertility Society, New Orleans, Louisiana, October 31 - November 5, 1992. Abstract #P-056, page S136.

192. Barnea ER, Diamant M, Shurtz-Swirsky R, Check JH: The effect of retinoic acid and its teratogenic derivatives on hCG secretion by the first trimester placenta in vitro. 48th Annual Meeting of the American Fertility Society, New Orleans, Louisiana, October 31 - November 5, 1992. Abstract #P-119, page S90.

193. Check JH, Choe J, Lurie D, O'Shaughnessy A, Nowroozi K: The Correlation of pregnancy rates with endometrial thickness and endometrial echo patterns prior to hCG following various controlled hyperstimulation regimens. The American College of Obstetricians and Gynecologists 1992 District III Annual District Meeting, Costa del Sol, Spain, November 9-13, 1992.

194. Check JH, Choe J, Barnea ER, Chase JS, Dietterich C: A retrospective study to investigate the relationship of elapsed time between hCG injection to retrieval of first oocyte in IVF-ET to IVF outcome. The American College of Obstetricians and Gynecologists 1992 District III Annual District Meeting, Costa del Sol, Spain, November 9-13, 1992.

195. Vetter BH, Check JH, Nowroozi K, O'Shaughnessy A: Diagnostic importance of serum CA-125 in non-malignant disorders. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #233, page 100.

196. Chase JS, Nazari A, Baker A, Check JH, Choe J: Comparison of pregnancy rates in donors vs recipients in a shared oocyte program. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #200, page 92.

197. Summers D, Baker A, Check JH, Choe J: A study of failed fertilization following IVF using both donor sperm and oocyte probe. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #91, page 61.

198. Adelson HG, Check JH, Dietterich C, Vetter BH: The importance of the luteinized unruptured follicle (LUF) syndrome as a complication of gonadotropin therapy. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #140, page 73.

199. Dietterich C, Check JH, Choe J, Nowroozi K: Monitoring pre-transfer endometrial thickness and sonographic echo patterns useful in improving in vitro fertilization (IVF) pregnancy rates. XIV World congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #198, page 91.

200. Nazari A, Barnea ER, Chase JS, Check JH, Dietterich C: The use of ultrasound to predict late first and early second trimester spontaneous abortions despite prior viability demonstrated. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #333, page 127.

201. Katsoff D, Adelson HG, Bollendorf A, Check JH: Can abnormal semen parameters truly identify the subfertile male. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #133, page 72.

202. Baker AF, Check JH, Choe J, Nowroozi K: A simplified method for cryopreservation of human embryos. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #80, page 56.

203. Barnea ER, Chase JS, Check JH, Vetter BH: Estradiol deficiency associated with spontaneous abortion even when adequate progesterone levels are maintained. XIV World Congress on Fertility and Sterility, Caracas, Venezuela, November 22-27, 1992. Abstract #143, page 74.

204. Liu X, Stolarick A, Adelson HG, Check JH, Dietterich C: The relationship of the luteinized unruptured follicle syndrome with the serum progesterone level at the time of hCG administration. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-37, page 59.

205. Askari HA, Check JH, Liu X: Premature luteinization as a cause of infertility in unstimulated cycles. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #SE-15-07, page 75.

206. Check ML, Check JH, Askari HA, Roehm L: Aggressive treatment with high dose progesterone in women with very low first trimester progesterone levels may salvage a majority of "inevitable spontaneous abortions". VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-04, page 50.

207. Davies E, Adelson HG, Lurie D, Check JH: To evaluate whether the availability of intrauterine insemination (IUI) improves pregnancy rates with clomiphene citrate to comparable rates for gonadotropin therapy. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-25, page 29.

208. Davies E, Check JH, Adelson HG: A randomized prospective study comparing pregnancy rates following treatment of luteal phase deficiency with either follicle maturing drugs or luteal phase support with progesterone. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-24, page 28.

209. Askari HA, Hoover L, Check JH, Callan C: Does a higher serum progesterone level at the time of hCG reduce IVF-ET pregnancy rates? VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #SE-06-05, page 38.

210. Check ML, Askari HA, Check JH: Evidence that mild endometriosis is not a cause of spontaneous abortion (SAB). VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-03, page 50.

211. Check JH, Chase JS, Nazari A, Askari HA: A randomized study to evaluate whether surgical removal of Stage I and Stage II endometriotic implants improves fertility rates. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-28, page 29.

212. Check ML, Check JH, Ubelacker L, Askari HA: Usefulness of placental protein 14 (PP14) as a replacement for the endometrial biopsy. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-05, page 51.

213. Stolarick A, Chase JS, Check JH, Liu X: The use of gonadotropin releasing hormone agonists (GnRHa) for oocyte release in gonadotropin treated patients. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-07, page 24.

214. Liu X, Stolarick A, Summers D, Check JH: The importance of sonographic determination of endometrial thickness (ET) and echo patterns in IVF-ET. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-36, page 58.

215. Check JH, Summers D, Baker AF: Effect of natural cycles vs estrogen replacement vs follicle maturing drugs on pregnancy rates in frozen embryo transfer. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-30, page 30.

216. Summers D, Check JH, Askari HA: Effect of a 3 day course of a GnRH agonist on inhibiting premature luteinization (PL) in IVF-ET. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-23, page 28.

217. Check JH, Roehm L, Askari HA, Tarquini P: Correlation of FSH measurement by chemiluminescence vs radioimmunoassay method. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-31, page 30.

218. Check JH, Tarquini P, Bollendorf A, Askari HA: Antisperm antibody (ASA) in the female not associated with an increased risk of spontaneous abortions (SAB). VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-29, page 30.

219. Callan C, Askari HA, Check JH, Summers D: The relationship of elapsed time (ETM) between hCG injection to oocyte retrieval to IVF outcome. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-21, page 28.

220. Tarquini P, Check JH, Vetter BH, Ubelacker L: Decreased spontaneous abortion rate in progesterone treated women given leukocyte immunization. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #SE-17-05, page 78.

221. Ubelacker L, Rohem L, Check JH, Askari HA: Treatment of women with hyperprolactinemia and luteal phase defects. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-36, page 31.

222. Tarquini P, Askari HA, Check JH: The clinical effects of positive antisperm antibodies (ASA) in cervical mucus. VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-02-16, page 53.

223. Choe JK, Baggish MS, Askari HA, Check JH: Pregnancy and spontaneous abortion rates in women with septate uteri transected by a new laser technique (Neodymium-YAG laser). VII World Congress on Human Reproduction, Bali, Indonesia, April 4-9, 1993. Abstract #PS-01-27, page 29.

224. Nazari A, Askari HA, Check JH, O'Shaughnessy A: Embryo transfer techniques as a cause of ectopic pregnancy in in vitro fertilization. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-044, page A29.

225. Check JH, Askari HG, Nowroozi K, Fisher C, Vanaman L: The use of a shared-donor oocyte program to evaluate the effect of uterine senescence. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-015, page A117.

226. Check JH, Lurie D, Chase JS, Hoover L, Stumpo L, Summers D: Progesterone levels prior to hCG determined by RIA method superior to enzyme immunoassay method in predicting which IVF patients are more likely to conceive. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-303, page A23.

227. Check JH, O'Shaughnessy A, Nazari A, Dietterich C, Vanaman L: A prospective study comparing a 36 vs 38 hour time interval from hCG to oocyte retrieval on subsequent pregnancy rates. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-031, page A23-A24.

228. Check JH, Lurie D, Callan C, Baker A, Benfer K: Evaluation of stability of decline of pregnancy rate with succeeding cycles of IVF-ET as determined by cumulative probability of pregnancy. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #O-019, page A8-A9.

229. Check JH, Peymer M, Zaccardo R, Chase JS: Evaluation of whether using hCG to stimulate oocyte release helps or decreases pregnancy rates following intrauterine insemination. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-014, page A16-A17.

230. Check JH, Hourani C, Choe J, Callan C, Adelson H: Comparison of pregnancy rates among donors and recipients according to the serum progesterone level at time of hCG in a shared-oocyte IVF program. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-029, page A22-A23.

231. Check JH, Dietterich C, Lurie D, Chase JS, Nowroozi K: The relationship of endometrial thickness and echo patterns and pregnancy rates in non-IVF cycles. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-013, page A16.

232. Check JH, Lurie D, Dietterich C, Callan C, Baker A: Adverse effect of a homogeneous hyperechogenic endometrial sonographic pattern on IVF-ET pregnancy rates. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-042, page A28-A29.

233. Choe J, Check JH, Nowroozi K, Lurie D, Holzworth G: Comparison of IVF outcome following the flare-up vs clomiphene citrate-hMG controlled ovarian hyperstimulation protocols for poor responders: A prospective study. 1993 Annual Pacific Coast Fertility Society Meeting, Indian Wells, California, April 14-18, 1993. Abstract #P-040, page A28.

234. Check JH, Kwirenk D, Press M, Breen E, Baker A: Male female sex ratio in births resulting from IVF according to swim-up vs percoll preparation of inseminated sperm. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement Abstract #131, page P-55.

235. Check JH, Press M, Chern B, Zaccardo R, Bollendorf A, Lurie D: The efficacy of intrauterine insemination for cervical and male factor without superovulation. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement. Abstract #132, page P-55.

236. Bollendorf A, Check JH: Comparison of sperm treatments for men with antisperm antibodies. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement. Abstract #130, page P-55.

237. Kiefer D, Katsoff D, Check JH, Lurie D: Comparison of post-thaw semen parameters of sperm separated from seminal plasma by either percoll or sephadex G-15 (sperm prep II) prior to freezing vs non-separated frozen sperm. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement. Abstract #71, page P-40.

238. Check JH, Askari HA, Demming S, Peymer N, Bollendorf A, Katsoff D: Evaluation of trehalose and proline as natural cryoprotectants of human sperm. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement. Abstract #47, page P-34.

239. Check ML, Check JH, Long R, Katsoff D, Peymer N: Comparison of a rapid vs conventional freezing method on the semen parameters of sperm that have been separated by percoll prior to freezing. 1993 Annual American Society of Andrology Meeting, Tampa, Florida, April 16-19, 1993. Journal of Andrology, January/February Supplement. Abstract #165, page P-64.

240. Check JH, Katsoff D, Bollendorf A: Test yolk buffer to reduce levels of antisperm antibodies as measured by immunobead test. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 222.

241. Check ML, Check JH, Long R: Attempts to improve the quality of cryopreserved thawed sperm. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 80.

242. Bollendorf A, Katsoff D, Check JH: Effect of various sperm separation techniques on semen parameters and on functional integrity of sperm membrane. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 75.

243. Bollendorf A, Check JH, Long R: Correlation of hypo-osmotic swelling results and pregnancy outcome. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 149.

244. Bollendorf A, Check JH: Evaluation of sperm preparation techniques for men with antisperm antibodies. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 227.

245. Bollendorf A, Check JH: Poor correlation of sperm morphology using strict criteria with either in vivo or in vitro pregnancy rates. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 147.

246. Shanis BS, Check JH, Bollendorf A: Poor correlation of motile sperm density with pregnancy rates in vivo and in vitro. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 148.

247. Check JH, Bollendorf A, Stumpo L, Long R: Evaluation of antisperm antibodies in women with poor post-coital results. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 225.

248. Check DJ, Bollendorf A, Check JH: The treatment of male subfertility with fresh seminal plasma. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 178.

249. Bollendorf A, Katsoff D, Check JH, Stumpo L: A highly effective simple technique for achieving male sex pre-selection. Vth International Congress of Andrology, Tokyo, Japan, May 2-6, 1993. Page 150.

250. Check JH, Nowroozi K, Vetter BH: A challenge to the concept of "tubal reflux" to explain the rise and fall of serum CA-125 during the first trimester. Forty-First Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Washington, D.C., May 3-6, 1993.

251. Check JH, Choe J, Nowroozi K, Baker A, Dietterich C: The relationship of endometrial thickness with pregnancy rates in frozen embryo transfer cycles. Forty-First Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Washington, D.C., May 3-6, 1993.

252. Check JH, Peymer M, Lurie D: The importance of daily periovulatory sera progesterone levels in addition to LH levels for better prediction of time of ovulation for intrauterine insemination. Forty-First Annual Clinical Meeting of the American College of Obstetricians and Gynecologists, Washington, D.C., May 3-6, 1993.

253. Askari HA, Check JH, Weiss W: Mid-cycle steroidal levels following ultra-low dose pure FSH stimulation versus combined FSH-LH stimulation. 75 Annual Meeting of the Endocrine Society, Las Vegas, Nevada, June 9-12, 1993. Abstract #99, page 75.

254. Check JH, O'Shaughnessy A, Vetter B: The use of leuprolide acetate for oocyte release and advancement of meiosis and gonadotropin stimulated cycles. The Triggering of Ovulation in Stimulated Cycles: hCG or LH? Bordeaux, France, June 19-20, 1993.

255. Askari HA, Check JH, Peymer N, Bollendorf A: Effect of natural antioxidants tocopherol and ascorbic acid in maintenance of sperm activity during freeze-thaw process. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #485, page 160, June 1993.

256. Check JH, Chase JS, Vetter B: The use of IVF-ET pregnancies from patients with tubal occlusion to help determine the etiology for the increase in first trimester CA-125 levels. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #530, page 173, June 1993.

257. Check JH, Peymer M, Jairaj P: The relationship of mid-cycle steroids and follicle diameter as determined by pregnancy cycles following a single intrauterine insemination. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #312, page 106, June 1993.

258. Check JH, Choe J, Adelson HG, Holzworth G: Pregnancies following in vitro fertilization (IVF) in women with high early follicular phase FSH levels without donor oocytes. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #9, page 9, June 1993.

259. Check JH, Lurie D, Askari HA, Fisher C: Comparison of pregnancy rates by age of recipient in a shared oocyte program. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #570, page 185, June 1993.

260. Check JH, Baker A, Dietterich C, Chase JS, Nazari A: Reduced pregnancy rates following frozen embryo transfer into women with thinner endometria. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #581, page 189, June 1993.

261. Check JH, Katsoff D, Bollendorf A, Benfer K, Press M: Improved pregnancy rates after treating sperm positive for antisperm antibodies with chymotrypsin-galactose. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #54, page 25, June 1993.

262. Askari HA, Check JH, Bollendorf A, Schutzer DA: A platelet related pregnancy factor in diagnosis of early pregnancy. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #10, page 10, June 1993.

263. Check JH, Dietterich C, Lurie D, Adelson HG: The relationship of endometrial thickness and echo pattern to endometriosis. 9th Annual Meeting of European Society of Human Reproduction and Embryology, Thessaloniki, Greece, June 27-30, 1993. Human Reproduction, Vol 8, Supplement 1, abstract #493, page 163, June 1993.

264. Check JH, Zavos PM, Katsoff D, Keifer D: Improvement of semen quality by various sperm separation techniques: Percoll discontinuous density gradients, spermprep^TMII, sephadex G-50 gel filtration. ARTA Volume V, 95-96, 1993.

265. Check ML, Check DJ, Check JH, Long R, Press M: Decreased exposure time to the critical period for ice formation effect on subsequent post-thaw semen parameters from cryopreserved sperm. ARTA Volume V, 109-110, 1993.

266. Fedele A, Bollendorf A, Check JH, Kozak J: New treatment for male factor secondary to antisperm antibodies. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #1, page 213.

267. Benfer K, Hourani C, Check JH, Baker A: A study to determine the ideal interval from hCG injection to retrieval in GnRHa hMG stimulated patients. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #2, page 214.

268. Kozak J, Katsoff D, Check JH, Fedele A: A method to increase y body sperm concentration and increase male offspring. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #5, page 217.

269. Hourani C, Baker A, Benfer K, Check JH: A modification of a bovine embryo freezing technique for human use: Pregnancy rates according to endometrial stimulation protocol. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #7, page 219.

270. Hourani C, Benfer K, Check JH: Reduced pregnancy rates related to the aged uterus may be at least partly if not completely remediable. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #8, page 220.

271. Kozak J, Check JH, Fedele A: Is intrauterine insemination a helpful treatment for male infertility? Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #9, page 221.

272. Check D, Kozak J, Check JH: A controlled study to determine if fresh seminal plasma can improve the motility of frozen thawed sperm. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #18, page 230.

273. Kozak J, Check JH, Fedele A: Can the reduction of glycerol through the use of other natural cryoprotectants improve semen parameters on cryopreserved thawed sperm. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #20, page 232.

274. Kiefer D, Check ML, Check JH, Katsoff D: Effect of different separation techniques to sperm cryopreservation on post-thaw semen parameters. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #21, page 233.

275. Check ML, Fedele A, Kiefer D, Check JH: Rapid freezing technique results in better post-thaw semen parameters than conventional freezing on sperm separated by percoll prior to freezing. Assisted Reproductive Technology/Andrology, Alicante, Spain, July 9-11, 1993. Abstract #22, page 234.

276. Askari HA, Check JH: Comparison of gonadotropin and steroidal hormone levels prior to human chorionic gonadotropin injection following controlled ovarian hyperstimulation with pure FSH vs human menopausal gonadotropins in patients down-regulated with leuprolide acetate. 26th Annual Meeting for the Society for the Study of Reproduction, Fort Collins, Colorado, August 1-4, 1993.

277. Check JH: Can in vitro fertilization be successful in women with elevated serum follicle stimulating hormone levels. 8th Reinier de Graaf Symposium, Amsterdam Netherlands, September 2-4, 1993.

278. Allen J, Check JH, Chase JS, Dietterich C: Fertilization/pregnancy rates during IVF following controlled ovarian hyperstimulation (COH): is there an effect of increased mid-cycle androgen levels? VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August, 1993 (Supplement) OC-47:10(6):91.

279. Fisher C, Check JH, Choe J, Vanaman L: Importance of sonographic studies of endometrial thickness (ET) in recipients of donor oocytes. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-260;10(6):197.

280. Choe J, Check JH, Vanaman L: Evaluation of two controlled ovarian hyperstimulation (COH) protocols for older patients undergoing in vitro fertilization (IVF) or those with increased basal FSH levels or previous poor responders. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August, 1993 (Supplement) OC-49:10(6):92.

281. Vanaman L, Fisher C, Check JH, Chase JS: Thinner endometria may explain the reduced pregnancy rates in older donor oocyte recipients. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement PP-45;10(6):236.

282. Vanaman L, Check JH, Choe J, Baker A: A prospective study to determine the appropriate time interval from hCG to retrieval in patients using leuprolide acetate-human menopausal gonadotropin controlled ovarian hyperstimulation. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-38;10(6):86.

283. Chase JS, Baker A, Check JH, Vanaman L: Factors influencing reduction in IVF pregnancy rates (PRs) in succeeding cycles using cumulative probability of pregnancy. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-185;10(6):160.

284. Hoover L, Fisher C, Check JH: Adverse effect of high serum progesterone (P) level at time of hCG on subsequent IVF pregnancy rates related to adverse effect on endometrium rather than oocytes as evidenced by shared donor oocyte programs. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-154;10(6):144.

285. Choe J, Check JH, Chase JS, Hoover L: Certain endometrial echo pattern at time of human chorionic gonadotropin (hCG) associated with reduced pregnancy rates following in vitro fertilization. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-258;10(6):196.

286. Chase JS, Check JH, Vanaman L: Higher ectopic pregnancy rates associated with embryo transfer <15mm from fundus. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-264;10(6):199.

287. Baker A, Check JH, Choe J: Decreased pregnancy rates have been seen in patients having IVF-ET when the endometrial thickness was <10mm or a homogeneous hyperechogenic echo pattern was seen at the time of hCG injection. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and genetics, August 1993 Supplement OC-256;10(6):195.

288. Fisher C, Check JH, Chase JS, Choe J: Up to what age should a woman be allowed to donate oocytes in a shared oocyte IVF program. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement PP-40;10(6):234.

289. Allan J, Check JH, Chase JS: Does the method of sperm preparation for in vitro fertilization-embryo transfer (IVF-ET) influence the male female sex ratio. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement PP-1:10(6):216.

290. Baker A, Choe J, Check JH: Pregnancy rates using a rapid cryopreservation according to different hormonal replacement protocols. VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 (Supplement) OC-143;10(6):139.

291. Hoover L, Check JH, Choe J, Chase JS: Prediction of pregnancy rates according to serum progesterone (P) at time of hCG according to methodology of measuring P (RIA vs non-isotropic method). VIII World Congress on IVF and Alternate Assisted Reproduction, Kyoto, Japan, September 12-15, 1993. Journal of Assisted Reproduction and Genetics, August 1993 Supplement OC-179;10(6):157.

292. Check JH: The use of the donor oocyte program to evaluate embryo implantation. Second Conference on The Endometrium, Bologna, Italy, September 20-22, 1993

293. O'Shaughnessy A, Check JH: Correlation of mid-cycle and mid-luteal sonographic endometrial thickness and echo patterns with endometrial biopsies. The American College of Obstetricians and Gynecologists 1993 District III Annual Meeting, Atlantic City, NJ September 26-29, 1993.

294. O'Shaughnessy A, Check JH: The correlation of maternal age and multiple gestation in an infertile population. The American College of Obstetricians and Gynecologists 1993 District III Annual Meeting, Atlantic City, NJ September 26-29, 1993.

295. Check JH, Choe J: In vitro fertilization results in patients with elevated serum FSH levels. The American College of Obstetricians and Gynecologists 1993 District III Annual Meeting, Atlantic City, NJ September 26-29, 1993.

296. Check JH, Tarquini P: A randomized prospective study evaluating the addition of leukocyte immunization to progesterone therapy to prevent spontaneous abortion in primary aborters. The American College of Obstetricians and Gynecologists 1993 District III Annual Meeting, Atlantic City, NJ September 26-29, 1993.

297. Check JH, Lurie D, Callan C, Bollendorf A, Benfer K, Stumpo L: The correlation of the hypo-osmotic swelling (HOS) test with outcome of in vitro fertilization-embryo transfer (IVF-ET). 49th Annual Meeting of the American Fertility Society, Montreal, Canada, October 9-14, 1993. Abstract # P-199, page S170-171.

298. Baker AF, Hourani CL, Check JH: Survival and pregnancy rates of pronuclear stage human embryos cryopreserved and thawed using a single step addition and removal of cryoprotectant. 49th Annual Meeting of the American Fertility Society, Montreal, Canada, October 9-14, 1993. Abstract # O-020, page S10.

299. Hourani CL, Baker AF, Check JH, Hoover LM, Summers DC: Pregnancies following in vitro fertilization (IVF) for severe male factor without using micromanipulation. 49th Annual Meeting of the American Fertility Society, Montreal, Canada, October 9-14, 1993. Abstract #P-091, pate S122-123.

300. Bollendorf A, Askari HA, Check JH: A serum test to determine fertilization prior to detection of beta human chorionic gonadotropin (hCG). 49th Annual Meeting of the American Fertility Society, Montreal, Canada, October 9-14, 1993. Abstract #O-081, page S39.

301. Dietterich C, Baker A, Check JH: The relationship of endometrial thickness with pregnancy rates in frozen embryo transfer cycles. 3rd World congress on Ultrasound in Obstetrics and Gynecology, Las Vegas, Nevada, October 25-28, 1993.

302. Dietterich C, Check JH, Choe J: The correlation of pregnancy rates with endometrial thickness and endometrial echo patterns prior to hCG following various controlled hyperstimulation regimens. 3rd World congress on Ultrasound in Obstetrics and Gynecology, Las Vegas, Nevada, October 25-28, 1993.

303. Dietterich C, Check JH, Adelson H: Sonographic diagnosis of luteinized unruptured follicle syndrome in women treated with human menopausal gonadotropins. 3rd World congress on Ultrasound in Obstetrics and Gynecology, Las Vegas, Nevada, October 25-28, 1993.

304. Shanis BS, Check JH, Haight CL: Efficacy of GnRH agonists to induce ovulation following low dose hMG stimulation. Fiftieth Laurentian Hormone Conference, Palmas Del Mar, Puerto Rico, November 13-17, 1993.

305. Bollendorf A, Katsoff D, Check JH: Method for achieving male sex preselection. Joint Taiwan and China Biomedical Meeting, Taipei, Taiwan, November 11-12, 1993. Published in the Future Trend in Clinical Laboratory Sciences.

306. Check JH, Davies E, Adelson H: A randomized prospective study comparing pregnancy rates following clomiphene citrate and human menopausal gonadotrophin therapy. Yearbook of Infertility, 1993, Chapter 9 - Ovulation Induction, pgs 143-144.

307. Check JH, Lurie D, Callan C, Baker A, Benfer K: Evaluation of stability of decline of pregnancy rate with succeeding cycles of IVF-ET as determined by cumulative probability of pregnancy. Fertility News 27(4):5, 1993.

308. Check JH, Bollendorf A, Callan C, Hoover L, Lurie D: The relationship of strict sperm morphology and the hypo-osmotic (HOS) test to fertilization and pregnancy rates in a shared oocyte program. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February Supplement, 1994, Abstract #42, pg P-31.

309. Check JH, Long R, Allen J, Hoover L: Evidence for intermittent male subfertility despite normal semen parameters. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February Supplement, 1994, Abstract #108, pg. P-47.

310. Check ML, Grabar J, Katsoff D, Check JH: Comparison of two rapid cryopreservation techniques on semen parameters of thawed specimens. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February Supplement, 1994 Abstract #17, pg P-25.

311. Check JH, Press M, Lurie D, Katsoff D: The relationship of motile density to fertilization and pregnancy rates in a shared oocyte program. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February Supplement, 1994, Abstract #43, pg. P-31.

312. Check JH, Lurie D, Askari A, Katsoff D: The importance of strict morphology in predicting male factor when motile density is normal in an IVF-ET program. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February, 1994 Supplement, 1994 Abstract #40, pg P-30.

313. Bollendorf A, Check JH, Lurie D: Computer assisted semen analysis better defines male factor in an IVF program than either motile density or strict morphology. American Society of Andrology, 1994 Annual Meeting, Springfield, Illinois, March 4-7, 1994. Journal of Andrology, January/February Supplement, 1994, Abstract #41, pg P-31.

314. Check JH: Diagnosis and treatment of luteal phase defects - fact or fiction? Controversies In Obstetrics and Gynecology, Southampton Princess, Bermuda, April 15-17, 1994.

315. Dietterich C, Check JH, Lurie D, O'Shaughnessy A: The relationship of endometriosis and pre-hCG endometrial sonographic studies in patients undergoing in vitro fertilization embryo transfer (IVF-ET). 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-009, pages A16-A17.

316. Check JH, Liss M, Liss J, Lurie D: Evidence that cervical factor and luteal phase defects are persistent infertility factors even after successful deliveries. 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-033, page A27.

317. Check JH, Weiss W, Nazari A, Vetter B: A randomized study comparing pregnancy rates following ultra-low dose human menopausal gonadotropin (hMG) and follicle stimulating hormone (FSH) in women with luteal phase defects related to immature follicles. 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-007, page A15.

318. Hoover L, Baker A, Check JH, Lurie D, Callan: Evaluation of an embryo grading system based on the evenness of the size of blastomeres and the degree of fragmentation and subsequent pregnancy rates. 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-035, page A28.

318. Check JH, Suryanarayan C, Choe J, Nazari A: A preliminary matched controlled study to evaluate the effect of mycoplasma-ureaplasma on pregnancy rates following in vitro fertilization. 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-034, pages A27-A28.

319. Check JH, Lauer C, Ubelacker L, Kuhn R: Comparison of an enzyme-linked immunosorbent assay vs radioimmunoassay for measuring serum progesterone at low levels. 1994 Annual Pacific Coast Fertility Society, Indian Wells, CA, April 20-24, 1994. Abstract #P-008, page A-16.

320. Check JH, Hourani C, Goldsmith G: The use of non-micromanipulation techniques for male factor and in vitro fertilization outcome. Ares Serono Symposia on Male Factor in Human Infertility, Neuilly Sur Seine, France, April 21-22, 1994.

321. Check JH, Bollendorf A, Katsoff D, Lurie D: Evaluation of semen parameters for IVF by comparing fertilization and subsequent pregnancy rates using a common pool of human oocytes. 2nd International Meeting of the British Fertility Society, Glasgow, Scotland, May 10-13, 1994. Human Reproduction 9(3):6-7, 1994.

322. Check JH, Vetter BH: The incidence of hyperprolactinemia in infertile females and its effect on follicular maturation. 2nd International Meeting of the British Fertility Society, Glasgow, Scotland, May 10-13, 1994. Human Reproduction 9(3):27-28, 1994.

323. Check JH, Askari HA, Choe J: The effect of the age of the recipients on pregnancy rates following donor-oocyte replacement. Fertility Digest, March, 28-30, 1994.

324. O'Shaughnessy A, Check JH, Dietterich C, Callan C: Failure to support the concept that endometriosis adversely effects embryo implantation especially in an in vitro fertilization program. 4th World Congress on Endometriosis, Salvador-Bahia, Brazil, May 25-28, 1994.

325. Check JH, Suryanarayan C, Vetter B: Ovarian androgen levels decrease in euestrogenic peri-menopausal females. 76th Annual Endocrine Society Meeting, Anaheim, California, June 15-18, 1994.

326. Check JH, Lurie D, Vetter B: Sera gonadotropin, testosterone, and PRL levels in men with oligospermia or asthenospermia. 76th Annual Endocrine Society Meeting, Anaheim, California, June 15-18, 1994.

327. Check JH, Tarquini P, Gandy P, Lauer C: Lymphocyte immunotherapy reduces spontaneous abortion rates in progesterone-treated habitual aborters. Fourteenth Annual Meeting of the American Society for Reproductive Immunology (ASRI), Philadelphia, PA, June 22-25, 1994. Am J Reprod Immunol 31(4):232, P17, 1994.

328. Check JH, Katsoff D, Bollendorf A, Callan C: The effect of sera antisperm antibodies in the female partner on in vivo and in vitro pregnancy and spontaneous abortion rates. Fourteenth Annual Meeting of the American Society for Reproductive Immunology (ASRI), Philadelphia, PA, June 22-25, 1994. Am J Reprod Immunol 31(4):237-238, P38, 1994.

329. Check JH, Bollendorf A, Katsoff D, Kozak J: The unexplained poor post-coital test: Frequency of antisperm antibodies in cervical mucus and their effect on clinical outcome. Fourteenth Annual Meeting of the American Society for Reproductive Immunology (ASRI), Philadelphia, PA, June 22-25, 1994. Am J Reprod Immunol 31(4):237, P37, 1994.

330. Check JH, Katsoff D, Bollendorf A: Chymotrypsin-galactose treatment of sperm bound with antisperm antibodies results in improved pregnancy rates following in vitro fertilization. Fourteenth Annual Meeting of the American Society for Reproductive Immunology (ASRI), Philadelphia, PA, June 22-25, 1994. Am J Reprod Immunol 31(4):237, P36, 1994.

331. Benfer K, Check JH, Carlson J, Baker A, Nazari A: Comparison of pregnancy rates following transfer in natural versus hormone replacement cycles of thawed embryos cryopreserved at the pronuclear stage using a modified technique. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):138, 1994, abstract #362.

332. Benfer K, Check JH, Nazari A, O'Shaughnessy A, Baker A: An evaluation of the effect of endometrial thickness on subsequent pregnancy rates following frozen embryo transfer. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):138, 1994, abstract #361.

333. Benfer K, Check JH, Nazari A, Fisher C: Comparison of fresh vs frozen embryo transfer pregnancy rates in donors vs recipients in a shared oocyte program to evaluate the mechanism for higher pregnancy rates in recipients. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):68, 1994, abstract #165.

334. Stumpo L, Check JH, Carlson J, Nazari A: A retrospective analysis to determine if high estradiol (E₂) levels at the time of human chorionic gonadotropin (hCG) injection had an adverse effect on subsequent pregnancy rates. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):87-88, 1994, abstract #220.

335. Stumpo L, Check JH, Hoover L, Carlson J, O'Shaughnessy A: Poor pregnancy rates following transfer of only one fresh embryo are probably not related to the ovarian stimulation regimen. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):188, 1994, abstract #510.

336. Carlson J, Hoover L, Benfer K, Summers D, Check JH, Baker A: Case report on assisted hatching of frozen-thawed embryos using zona drilling. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):216-217, 1994, abstract #604.

337. Bollendorf A, Check JH, Barnea ER, Schutzer D: Evidence for an embryo-derived adhesive factor present in embryo culture fluid and pregnant maternal sera. Xth Annual Meeting of the European Society of Human Reproduction and Embryology, Brussels, Belgium, June 25-29, 1994. Hum Reprod 9(4):200, 1994, abstract #548.

338. Katsoff D, Check JH: Male infertility: role of antisperm antibodies/new therapeutic methods. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:26-27, 1994, abstract #17.

339. Kozak J, Check JH: New tests on sperm physiology to evaluate male factor (SPA, acrosome reaction, hyperactivation, mannose). 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:40-41, 1994, abstract #26.

340. Long R, Check JH: Assessment of the importance of baseline semen parameters: MD, strict morphology and HOS tests. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:42-45, 1994, abstract #27.

341. Check JH: The shared donor oocyte program: recent advances. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:57-59, 1994, abstract #35.

342. Hourani CL, Check JH, Baker AF, Hoover LM, Summers DC, Benfer KM: IVF: Cumulus removal/possible increase of pregnancy rate after addition of follicular fluid for male factor. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:65-66, 1994, abstract #39.

343. Goldsmith G, Check JH: The rate of oocyte damage with ICSI is extremely high compared to the other micromanipulation techniques due to the invasiveness of the procedure. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:69-71, 1994, abstract #43.

344. Goldsmith G, Check JH, Check DJ: Cryopreservation of embryos and sperm. 1994 ARTA Conference, Innsbruck, Austria, July 29 - August 1, 1994. ARTA 6:74-76, 1994, abstract #45.

345. Check JH, Nazari A, O'Shaughnessy A, Kuhn R, Lauer C: Relationship of early follicular phase sera FSH and LH levels as measured by a radioimmunoassay and an enzyme-linked immunosorbent assay to number of oocytes retrieved. Fiftieth Annual Meeting of the American Fertility Society, San Antonio, Texas, November 5-10, 1994. Abstract #P-083, page S125.

346. Check JH, Peymer M, Lurie D, Vetter BH: Sera first trimester estradiol (E₂) levels better predict spontaneous abortion (SAB) than 17-hydroxyprogesterone (17-OHP) in pregnancy women supplemented with progesterone (P). Fiftieth Annual Meeting of the American Fertility Society, San Antonio, Texas, November 5-10, 1994. Abstract #P-326, page S237-238.

347. Check JH, Dietterich C, Lurie D: The effect of consecutive cycles of clomiphene citrate (CC) therapy on endometrial thickness and echo pattern. Fiftieth Annual Meeting of the American Fertility Society, San Antonio, Texas, November 5-10, 1994. Abstract #P-348, page S249.

348. Katsoff D, Check JH: The prognosis for pregnancy rates in female partners of males with antisperm antibodies according to immunoglobulin class and location on sperm. American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #28, pg. P30.

348. Check D, Kiefer D, Check JH: The effect of adding pentoxifylline on the post-thaw motile density and hypoosmotic swelling test of cryopreserved sperm. American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #85, pg. P45.

349. Check JH, Stumpo L, Katsoff D: Determination of a single semen parameter predictive of subfertility. American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #108, pg. P50.

350. Check JH, Stumpo L, Katsoff D: The correlation of the hypoosmotic swelling (HOS) test on subsequent fertilization and pregnancy rates following in vitro fertilization-embryo transfer. American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #110, pg. P51.

351. Katsoff D, Check JH: Chymotrypsin/galactose treatment improves subnormal hypoosmotic swelling scores and improved fecundity following intrauterine insemination. American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #120, pg. P53.

352. Bollendorf A, Check JH, Lurie D, Stumpo L, Katsoff D: Evaluation of the effect of the absence of any sperm with forward progression either before or after sperm separation on subsequent pregnancy rates (PRs) following intrauterine insemination (IUI) or in vitro fertilization (IVF). American Society of Andrology, 1995 Annual Meeting, Raleigh, North Carolina, March 31 - April 4, 1995. Journal of Andrology, January/February Supplement, 1995, Abstract #119, pg. P53.

353. Hoover L, Baker AF, Check JH: Efficacy of a simplified cryopreservation technique for zygotes. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:140S, 1995. Abstract #PP72.

354. Hoover L, Check JH, Nazari A, O'Shaughnessy A: The use of donor sperm vs oocytes to evaluate the course of failed fertilization. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:144S, 1995. Abstract #PP85.

355. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: The effect of endometrial thickness and echo pattern on IVF outcome in donor oocyte-embryo transfer cycles. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:145S, 1995. Abstract #PP89.

356. Summers D, Hoover L, Check JH, O'Shaughnessy A: Pregnancy rates (PRs) decrease in oocyte donors but not in their respective recipients especially with advancing age in a shared oocyte program. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:145S, 1995. Abstract #PP91.

357. Hoover L, O'Shaughnessy A, Nazari A, Check JH: An RIA by Amersham with a low coefficient of variation in the low serum P range associated with better pregnancy rate (PR) prognosis with IVF-ET. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:149S, 1995. Abstract #PP106.

358. Hoover L, O'Shaughnessy A, Check JH, Nazari A: Luteinizing hormone (LH) in follicle stimulating drugs not needed despite long suppression with gonadotropin releasing hormone agonists. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:149S, 1995. Abstract #PP107.

359. Shanis B, Summers D, Check JH, O'Shaughnessy A, Nazari A: An ultra-short use of leuprolide acetate works as well as longer use to prevent premature luteinization following controlled ovarian hyperstimulation. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:154S, 1995. Abstract #PP126.

360. Shanis B, Check JH, O'Shaughnessy A, Summers D: Improved pregnancy rates (PRs) in older patients or those with elevated baseline FSH levels with short flare or clomiphene-hMG hyperstimulation protocols. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:154S, 1995. Abstract #PP127.

361. Summers D, Check JH, Nazari A, O'Shaughnessy A, Hoover L: Subtle rise in progesterone (P) at time of human chorionic gonadotropin (hCG) may have more of an adverse effect on the endometrium than the oocyte as determined by a shared oocyte program. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:154S, 1995. Abstract #PP128.

362. Summers D, Check JH, Hoover L, O'Shaughnessy A, Nazari A: A 36 hour time of retrieval from human chorionic gonadotropin (hCG) injection may produce better pregnancy rates (PR) than a 34 hour interval. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:155S, 1995. Abstract #PP129.

363. Hoover L, Summers D, Check JH, Nazari A, O'Shaughnessy A: EIA methods for measuring serum progesterone (P) at time of human chorionic gonadotropin (hCG) not predictive of subsequent pregnancy rates (PR). IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:162S, 1995. Abstract #PP159.

364. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: Deep-fundal rather than mid-fundal placement of embryos increases ectopic but not intrauterine pregnancy rate. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:164S, 1995. Abstract #PP167.

365. Sapoznikov V, Check JH, Nazari A, O'Shaughnessy A: Pregnancy rates (PRs) according to endometrial thickness and echo pattern at time of hCG. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:164S, 1995. Abstract #PP168.

366. Sapoznikov V, Nazari A, Check JH, O'Shaughnessy A: Lowered pregnancy rates seen in IVF patients with a homogeneous hyperechogenic endometrial echo pattern prior to hCG injection. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:165S, 1995. Abstract #PP169.

367. Hoover L, Shanis B, Check JH, Katsoff D, Bollendorf A: The hypo-osmotic swelling (HOS) test predicts poor pregnancy rates (PRs) despite normal fertilization rates in a shared oocyte program. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:169S, 1995. Abstract #PP187.

368. Shanis B, Check JH, Bollendorf A, Nazari A: Computer assisted semen analysis better defines male factor in an IVF program than either motile density or strict morphology. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:172S, 1995. Abstract #PP200.

369. Shanis BS, Katsoff D, Check JH, Hoover L: Sperm morphology using strict criteria not useful in predicting poor pregnancy rates (PRs) despite adequate fertilization. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:173S, 1995. Abstract #PP201.

370. Shanis BS, Check JH, Bollendorf A, Summers D: Curvilinear and straight line velocity and linearity from computer assisted semen analysis (CASA) helpful to predict fertilization outcome following IVF. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:173S, 1995. Abstract #PP202.

371. Shanis B, Check JH, Stumpo L, Katsoff D: A prospective matched controlled study suggests that males with low hypo-osmotic swelling (HOS) test scores achieve lower pregnancy rates (PRs) despite normal fertilization rates. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:173S, 1995. Abstract #PP203.

372. Shanis B, Katsoff D, Check JH, O'Shaughnessy A: Poor strict morphology fails to identify couples with poor pregnancy rates when sperm concentration for insemination of oocytes is increased. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:173S, 1995. Abstract #PP204.

373. Shanis B, Katsoff D, Check JH: Motile density (MD) is the best semen parameter to predict poor fertilization rates as determined by a shared oocyte program. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:174S, 1995. Abstract #PP205.

374. Shanis BS, Katsoff D, Bollendorf A, Summers D, Check JH: Sera antisperm antibodies (ASA) in female partners does not reduce IVF pregnancy rates (PRs). IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:174S, 1995. Abstract #PP206.

375. Shanis BS, Katsoff D, Check JH, Bollendorf A: Mild enzymatic treatment of sperm bound with antisperm antibody prior to oocyte insemination improves IVF pregnancy rates. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:174S, 1995. Abstract #PP207.

376. Shanis BS, Check JH, Bollendorf A, Katsoff D, Hoover L: Poor fertilization rates best predicted by subnormal motile density but poor pregnancy rates (PR) prognosticated by low hypo-osmotic swelling (HOS) tests as determined by a shared oocyte study. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:174S, 1995. Abstract #PP208.

377. Summers D, Hoover L, Check JH, Shanis BS: Cumulus removal (CR), oocyte concentration, and use of follicular fluid (FF) improve pregnancy rates (PRs) following IVF for severe male factor. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:176S, 1995. Abstract #PP213.

378. Hoover L, Summers D, Check JH, Nazari A, O'Shaughnessy A: Pregnancy after zona drilling of cryopreserved thawed embryos. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:182S, 1995. Abstract #PP237.

379. Sapoznikov V, Check JH, O'Shaughnessy A, Nazari A: The relationship of endometriosis and pre-hCG endometrial sonographic studies in patients undergoing in vitro fertilization embryo transfer (IVF-ET). IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:188S, 1995. Abstract #PP264.

380. Shanis BS, Nazari A, Check JH, Summers D, O'Shaughnessy A: Culture and treatment of mycoplasma/ureaplasma (M/U) infection not found helpful to improve pregnancy rates following IVF. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:190S, 1995. Abstract #PP269.

381. Hoover L, Shanis B, Summers D, Check JH: Standard sperm separation procedures (swim-up vs Percoll methods) do not alter male-female sex ratio following IVF-ET. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:192S, 1995. Abstract #PP278.

382. Shanis BS, Check JH, Vetter BH: The use of IVF-ET pregnancies from patients with tubal occlusion to help determine the etiology for the increase in first trimester CA-125 levels. IXth World Congress on In Vitro Fertilization and Alternate Assisted Reproduction, Vienna, Austria, April 3-7, 1995. J Assist Reprod Genet 12:197S, 1995. Abstract #PP298.

383. Check JH, Peymer M, Lurie D, Suryanarayan C: The relationship of early follicular phase sera follicle stimulating hormone (FSH) and luteinizing hormone (LH) and six month in vivo pregnancy rates (PRs). 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #O-3, pg. A2.

384. Lauer C, Check JH, Ubelacker L: Falsely elevated steroidal assay levels related to heterophile antibodies against various animal species. 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-4, pg. A12.

385. Check JH, Hoover L, Nazari A, O'Shaughnessy A, Summers D: The effect of assisted hatching on pregnancy rates (PRs) following frozen embryo transfer (FET). 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-5, pgs. A12-A13.

386. Check JH, O'Shaughnessy A, Nazari A, Baker A: Pretreatment with a higher dosage of estrogen seems to negate the adverse effect of thin endometria on subsequent pregnancy rates (PRs) following frozen embryo transfer (FET). 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-7, pg. A14.

387. Check JH, O'Shaughnessy A, Nazari A: The relationship of early follicular phase sera follicle stimulating hormone (FSH) and in vitro fertilization-embryo transfer (IVF-ET) outcome in poor responders using the flare controlled ovarian hyperstimulation (COH) regimen. 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-8, pgs. A14-A-15.

388. Check JH, Kurtzig J, Suryanarayan C: The efficacy of nonassisted reproductive technology procedures for treatment of women with long-term infertility. 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-9, pgs. A15-A16.

389. O'Dea L, Banks K, and the Study 6310 Clinical Trial Group (Adamson G, Asch R, Caldwell B, Check J, DeCherney A, Diamond M, Dunaway H, Gianfortoni J, Gentry W, Goldfarb J, Bachus K, Holtz G, Schlaff W, Jacobs B, Jaffee R, Jones K, Kemmann E, Marut E, Schmidt-Sarosi C, Silva P, Abassi R, Williams R, Yussman M: Multicenter study to evaluate the safety and efficacy of Metrodin XP^TM administered by the subcutaneous route in WHO Group II infertile women. 43rd Annual Meeting of the Pacific Coast Fertility Society, Coronado, California, April 26-30, 1995. Abstract #P-62, pgs. A37-A38.

390. Chapman D, Check JH, Peymer M, Lurie D, Suryanarayan C: The relationship of early follicular phase serum follicle-stimulating hormone and oestradiol concentration with subsequent number of follicles stimulated by ultra-low dose gonadotrophin therapy. 11th Annual Meeting of the European Society of Human Reproduction and Embryology, Hamburg, Germany, June 28 - July 1, 1995. Hum Reprod 10:147-148, 1995, abstract #321.

391. O'Shaughnessy A, Check JH, Szekeres-Bartho J: Progesterone induced blocking factor seen in pregnancy lymphocytes soon after implantation. Sixth International Congress of Reproductive Immunology, Washington, D.C., July 19-23, 1995. Am J Reprod Immunol 33:445-446, 1995, abstract #P214.

392. Katsoff D, Check JH, Hoover L, Bollendorf A: An evaluation of semen parameters to determine whether subnormal levels predict low fertilization and/or pregnancy rates. 15th World Congress on Fertility and Sterility, Montpellier, France, September 17-22, 1995. Contracept Fertil Sex 23:S80-S81, 1995, abstract #P.009.

393. Check JH, O'Shaughnessy A, Hoover L, Lurie D: A study to determine the efficacy of transferring only 1 or 2 embryos fresh or frozen in poor responders to controlled ovarian hyperstimulation. 15th World Congress on Fertility and Sterility, Montpellier, France, September 17-22, 1995. Contracept Fertil Sex 23:S121, 1995, abstract #P.212.

394. Check JH, O'Shaughnessy A, Peymer M: The relationship of the change in estradiol (E₂) levels from day of to day after human chorionic gonadotropin (hCG) to outcome of in vitro fertilization (IVF) using the leuprolide acetate (LA)/human menopausal gonadotropin (hMG) protocol. 15th World Congress on Fertility and Sterility, Montpellier, France, September 17-22, 1995. Contracept Fertil Sex 23:123, 1995, abstract #P.221.

395. Long R, Check JH, Lurie D, Katsoff D: Strict morphology as a predictor of infertility in men with normal motile densities in an in vitro fertilization-embryo transfer program. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 14.

396. Long R, Katsoff D, Check JH: Evidence that functional impairment of sperm membrane may be reversible by enzyme treatment. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 40.

397. Long R, Check JH, Allen J, Hoover L: Evidence for fluctuation of male infertility related to the controlled ovarian hyperstimulation (COH) protocol. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 41.

398. Kiefer D, Katsoff D, Check JH: Neither location of antisperm antibodies on the sperm nor immunoglobulin class predictive of subsequent fecundity when sperm treated with chymotrypsin galactose. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 58.

399. Kiefer D, Check JH, Katsoff D, Check DJ: Can the hypo-osmotic swelling test determine fertilization and pregnancy rates following in vitro fertilization. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 67.

400. Kiefer D, Check JH, Katsoff D: Evaluation of semen characteristics to predict subfertility. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 68.

401. Long R, Bollendorf A, Check JH, Lurie D: The effect of the absence of sperm with rapid and linear forward progression on subsequent pregnancy rates (PRs). Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 69.

402. Kiefer D, Bollendorf A, Check JH, Peymer N, Check DJ: Investigation of the role of alpha-tocopherol (VE) and ascorbic acid (VC) in improving the quality of frozen semen. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 79.

403. Kiefer D, Katsoff D, Check DJ, Check JH: Comparison of rapid cryopreservation vs vapor freezing on post-thaw semen parameters. Andrology in the Nineties, International Symposium on Human Reproduction & Male subfertility, Genk Belgium, October 18-21, 1995. Andrology in the Nineties, 2nd Edition, 1995, page 80.

404. Check JH, Baker A, Benfer K, Katsoff D, Wu CH: The transfer of frozen but not freshly derived embryos from fertilization of oocytes with sperm with low hypo-osmotic swelling test scores results in a normal pregnancy rate. 43rd Annual Meeting of the Society for Gynecologic Investigation, Philadelphia, Pennsylvania, March 20-23, 1996. J Soc Gynecol Invest 3:(Supplement), March/April, pg 105A, abstract #93.

405. Check JH, Arwitz M, Gross J, Skeres-Bartho J, Wu CH: Detection of progesterone induced blocking factor (PIBF) in very early pregnancy correlates more with successful implantation than mere conception. 43rd Annual Meeting of the Society for Gynecologic Investigation, Philadelphia, Pennsylvania, March 20-23, 1996. J Soc Gynecol Invest 3:(Supplement), March/April, pg 201A, abstract #285.

406. Arwitz M, Gross J, Check JH, Szekeres-Bartho J: The association of progesterone induced blocking factor (PIBF) and first trimester spontaneous abortion (SAB). 44th Annual Meeting of The Pacific Coast Fertility Society, Indian Wells, California, April 17-21, 1996. Abstract #O-11, pg. A6.

407. Check JH, Peymer M, Suryanarayan C: The effect of age on pregnancy outcome in women with elevated early follicular phase sera follicle stimulating hormone (FSH) levels. 44th Annual Meeting of The Pacific Coast Fertility Society, Indian Wells, California, April 17-21, 1996. Abstract #P-26, pg. A24.

408. Check JH, Baker AF, Nazari A, Benfer K: An evaluation of pregnancy outcome in women >40 undergoing in vitro fertilization (IVF). 44th Annual Meeting of The Pacific Coast Fertility Society, Indian Wells, California, April 17-21, 1996. Abstract #P-27, pg. A24.

409. Hoover L, Baker A, Check JH, Lurie D, Summers D: Clinical outcome of cryopreserved human pronuclear stage embryos resulting from intracytoplasmic sperm injection. 44th Annual Meeting of The Pacific Coast Fertility Society, Indian Wells, California, April 17-21, 1996. Abstract #P-31, pg. A26.

410. Katsoff D, Check JH: A challenge to the concept that the use of calcium channel blockers cause reversible male infertility. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #034, pg. P-31.

411. Locuniak J, Check JH, Lurie D, Adelson HG, Hoover L: Evaluation of subnormal semen parameters and subsequent zona pellucida (ZP) thickening following in vitro fertilization (IVF). American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #041, pg. P-33.

412. Check JH, Hourani C, Baker A, Nazari A: A study of failed fertilization - relative frequency of male vs female factors and therapeutic options in next cycles. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #098, pg. P-47.

413. Katsoff D, Hoover L, Check JH: Viable pregnancies with intracytoplasmic sperm injection for poor hypo-osmotic scores. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #099, pg. P-47.

414. Check ML, Check JH, Katsoff D: Improved results of thawed sperm cryopreserved with stage cooling with a cellevator. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #138, pg. P-57.

415. Check DJ, Check JH, Katsoff D: Comparison of thawing temperature on semen parameters of cryopreserved sperm. American Society of Andrology, 1996 Annual Meeting, Minneapolis, Minnesota, April 25-29, 1996. Journal of Andrology, January/February Supplement, 1996, Abstract #139, pg. P-57.

416. Check JH, Pesso R, Peymer M: A study to determine if serum follicle stimulating hormone (FSH) can be a marker for ovarian hyper-response to follicle maturing drugs for in vitro fertilization (IVF). 10th International Congress of Endocrinology, San Francisco, CA, June 12-15, 1996. Program & Abstracts 2:852 (abstract # P3-391), 1996.

417. Check JH, Kaplan N, Nazari A, Peymer M, Chuong M: Pregnancy and spontaneous abortion (SAB) rates following lymphocyte immunotherapy (LI) in patients undergoing in vitro fertilization-embryo transfer (IVF-ET). Sixteenth Annual Meeting of the American Society for Reproductive Immunology, Knoxville, Tennessee, June 26-29, 1996. Am J Reprod Immunol 35(5):457-458, 1996.

418. Check JH, Arwitz M, Gross J, Peymer M, Szekeres-Bartho J: Lymphocyte immunotherapy (LI) increases serum levels of progesterone induced blocking factor (PIBF). Sixteenth Annual Meeting of the American Society for Reproductive Immunology, Knoxville, Tennessee, June 26-29, 1996. Am J Reprod Immunol 35(5):457-458, 1996.

HOSPITAL AND SUPPORT GROUP PRESENTATIONS

1. Endocrine Therapeutics in Practice 3rd Annual Symposium, Thomas Jefferson University, Philadelphia, Pennsylvania.

2. Medical Therapeutics II, Thomas Jefferson University, Philadelphia, Pennsylvania, February, 1976.

3. Endocrine Therapeutics in Practice, 4th Annual Symposium, Thomas Jefferson University, November, 1976.

4. Medical Therapeutics III, Thomas Jefferson University, Philadelphia, Pennsylvania, February, 1977.

5. Gynecologic Endocrinology, St. Mary's Hospital, Philadelphia, Pennsylvania, May, 1981.

6. Habitual Abortion and Use of Ultrasound and Infertility, Kansas City, Kansas, September, 1983.

7. Amenorrhea, Lankenau Hospital, Philadelphia, Pennsylvania, November, 1983.

8. New Uses of Ultrasound in Infertility and Cervical Factors, Allentown General Hospital, Allentown, Pennsylvania, May, 1984.

9. An Infertility Workup Resolve, Franklin Plaza, Philadelphia, Pennsylvania, May, 1986.

10. Thomas Jefferson University Hospital: Women's Health: A Lifelong Journey: Crossroads: Infertility, Philadelphia, Pennsylvania, October 1, 1986.

11. Affect of Age on Infertility Therapy.

The Clinical Correlation of the Progestogen Associated Endometrial Protein (PEP) With the Endometrial Biopsy, IIIrd Annual Faculty Research Day, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, January, 1989.

12. Infertility, Crozer-Chester Medical Center, Upland, Chester, Pennsylvania, June 19, 1989.

13. Ovulation Induction From Birth To Menopause, Pottstown Memorial Hospital, Pottstown, PA, January 17, 1990.

14. Ovulation Induction and Fertility Drugs, A Conference on Infertility (Resolve), Thomas Jefferson University, March 18, 1990.

15. The Luteal Phase Defect, Lankenau Hospital, December 13, 1990.

16. "Assisted Reproductive Technology: Indications and Pitfalls" Newest Approaches To Reproductive Technologies. Newcomb Medical Center, Vineland, NJ, March 9, 1991.

17. Ovulation Induction, Fertility Drugs, and Procedures. A Conference on Infertility (Resolve), Thomas Jefferson University, March 17, 1991.

18. Laboratory Methods of Reproductive Endocrinology. New Jersey Society for Medical Technology Spring Seminar, April 4, 1991.

19. "All for Women" Insights on Infertility, Jeanes Hospital, September 25, 1991.

20. Grand Rounds - Robert Wood Johnson Medical School of Camden Cooper Hospital/University Medical Center, Camden, New Jersey, Male Factor.

21. A Conference on Infertility by RESOLVE, Jefferson Alumni Hall, Philadelphia, Pennsylvania, March 15, 1992.

1. "Ovulation induction, fertility drugs and procedures"

22. "Infertility Update" Family Medicine Faculty and Residents, Underwood Hospital, May, 1992.

23. "Infertility in the role of managed care", Travelers Insurance Company, Voorhees, NJ, May 12, 1992.

24. Treatment of the Infertile Couple in my OB/GYN Practice: Is it Feasible? Serono Symposia, Sheraton Society Hill Hotel, Philadelphia, Pennsylvania, September 11, 1992.

25. "Approach to the infertile patient and the role of assisted reproductive technology" Jeanes Hospital, September 25, 1991.

26. "Controversies in the diagnosis and treatment of male infertility" Mount Sinai Medical Center, September 22, 1992.

27. New Concepts in Maternal Fetal Medicine, Gynecologic Oncology, & Reproductive Endocrinology and Infertility. Cooper Hospital University Medical Center, Camden, New Jersey, March 7, 1993.

1. "The use of sonography and hormonal assays in the diagnosis and treatment of ovulatory disorders"

28. Boehringer Research and Development, Indianapolis, Indiana, March 8, 1993.

1. "Importance of hormonal assays in different aspects of reproductive endocrinology"

29. Insights Into Infertility - A Resolve/Serono Symposium for Patients and Health Professionals Concerned with Infertility Issues. Thomas Jefferson Alumni Hall, Philadelphia, Pennsylvania, March 21, 1993.

1. "Ovulation Dysfunction and Induction"

30. The diagnosis and treatment of the "subfertile" male" Cooper Hospital Medical Grand Rounds, April 29,1 993.

31. "Medical Aspects of Miscarriage" Resolve Through Sharing - Grief Counselor Certification Program, Cooper Foundation, Haddonfield, NJ, June 9, 1993.

32. "New trends in fertility treatment" Camden County Medical Society Auxilliary, Voorhees Middle School, Voorhees, NJ, March 19, 1994.

33. Grand Rounds "Infertility for the internist" Presbyterian Medical Center of Philadelphia, Philadelphia, Pennsylvania, May 27, 1994.

34. Jeanes Speakers Bureau "Donor oocyte program and in vitro fertilization" Jenkintown Kiwanis Club, Jenkintown, PA, August 25, 1994.

35. Newcomb Medical Center "Gynecologic Endocrine Disturbances" Vineland, NJ, September 10, 1994.

36. "Infertility", Methodist Hospital Medical Grand Rounds, Philadelphia, PA, September 27, 1994.

37. Brady Cancer Research Institute at Hahnemann University "Knowledge of mechanisms governing immunologic tolerance of the fetus may provide insight for treatment modalities of tumors", Philadelphia, PA, October 1, 1994.

38. "Age Consideration in Infertility" Resolve, Thomas Jefferson University, Philadelphia, Pennsylvania, March 19, 1995.

39. "Medical Conditions Causing Weight Gain", Naval Inventory Control Point, Compound Wellness Center, Philadelphia, PA, December 6, 1995.

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