REFERENCES

1. Steptoe PC, Edwards RG. Birth after reimplantation of a human embryo [letter]. Lancet 1978; 2:366.

2. Ng SC, Bongso A, Chan CLK et al. The future of assisted reproductive technologies. Ann Acad Med Singapore 1990; 19:841-4.

3. Society for assisted reproductive technology. Assisted reproductive technology in the United States and Canada: 1994 results generated from the American Society for Reproductive Medicine/Society for Assisted Reproductive Technology Registry. Fertil Steril 1996; 66: No. 5, 697-705.

4. Chang YS, Kim SH, Moon SY, Lee JY. Current status of assisted reproductive technology in Asia and Oceania. J Obstet Gynaecol Res 1996; 22:305-30.

5. French national IVF registry: analysis of 1986 to 1990 data. Fertil Steril 1993; 59(3):587-95.

6. WHO (1970) Spontaneous and induced abortions. WHO technical report series no. 41, Geneva.

7. Pretorius DH. An overview of congenital malformations. In: Nyberg DA, Mahony BS, Pretorius DH eds. Diagnostic ultrasound of fetal anomalies. Chicago: Year Book Medical Publishers. 1990; 21-38.

8. Rosevear S. Bleeding in early pregnancy. In: James DK, Steer PJ, Weirer CP, Goniks B eds. High risk pregnancy. Management options. London: W B Saunders 1994; 75-100.

9. Crowther CA. Multiple pregnancy including delivery. In: James DK, Steer PJ, Weirer CP, Goniks B eds. High risk pregnancy. Management options. London: W B Saunders 1994; 137-49.

10. Check J H et al. Comparison of the cumulative probability of pregnancy after in-vitro fertilization embryo transfer by infertility factor and age. Fertil Steril 1994; 61:257-61.

11. Dor J, Seidman DS, Ben-Shlomo I, Levran D, Ben-Rafael Z, Mashiach S. Cumulative pregnancy rate following in-vitro fertilization: the significance of age and infertility aetiology. Human Reproduction 1996; 11(2):425-8.

12. Kovacs GT. The likelihood of pregnancy with IVF and GIFT in Australia and New Zealand. Med J Aust 1993; 158:805-7.

13. Cohen J. The efficiency and efficacy of IVF and GIFT. Hum Reprod 1991; 6:613-8.

14. Stolwijk AM, Hamilton CJCM, Hollanders JMG, Bastiaans LA, Zielhuis GA. A more realistic approach to the cumulative pregnancy rate after in-vitro fertilization. Human Reproduction 1996; 11(3):660-3.

15. Alsalili Mansour, Yuzpe AA, Tummon IS, Parker J, Martin JSB, et al. Confounding variables affecting in vitro fertilization success: A decade of experience. Journal of Assisted Reproduction and Genetics, 1996; 12 (2):88-92.

16. Templeton A, Morris JK, Parslow W. Factors that affect outcome of in-vitro fertilisation treatment. Lancet 1996; 348:1402-6.

17. Huges EG, Fedorkow DM, Daya S, Sagle MA, Van de Koppel P, Collins JA. The routine use of gonadotropin-releasing hormone agonists prior to in vitro fertilization and gamete intrafallopian transfer: a meta-analysis of randomized controlled trials. Fertil Steril 1992; 58:888-96.

18. Shelton KE, Butler L, Toner JP, Oehninger S, Muasher SJ. Salpingectomy improves the pregnancy rate in in-vitro fertilization patients with hydrosalpinx. Human Reproduction 1996; 11(3):523-5.

19. Sharara FI, Scott RT Jr, Marut EL, Queenan JT Jr. In-vitro fertilization outcome in women with hydrosalpinx. Human Reproduction 1996; 11(3):526-30.

20. Soliman S, Daya S, Collins J, Hughes EG. The role of luteal phase support in infertility treatment: a meta-analysis of randomized trials. Fertil Steril 1994; 61:1068-76.

21. Dawood MY. In vitro fertilization, gamete intrafallopian transfer, and superovulation with intrauterine insemination: Efficacy and potential health hazards on babies delivered. Am J Obstet Gynecol 1996; 174 (4):1208-17.

22. Sauer MV, Paulson RJ, Ary BA, Lobo RA. Three hundred cycles of oocyte donation at the University of Southern California: assessing the effect of age and infertility diagnosis on pregnancy and implantation rates. J Assist Reprod Genet 1994; 11:92-6.

23. Navot D, Bergh PA, Williams AM, Garrisis JG, Guzman I, Sandler B, Grufeld L. Poor oocycte quality rather than implantation failure as a cause of age-related decline in female fertility. Lancet 1991; 337:1375-7.

24. Yaron Y, Botchan A, Amit A, et al. Endometrial receptivity: the age related decline in pregnancy rates and the effect of ovarian function. Fertil Steril 1993; 60:314-8.

25. Wildschut HIJ. Sociodemographic Factors: Age/Parity, Social class and Ethnicity. In: James DK, Steer PJ, Weirer CP, Goniks B eds. High risk pregnancy. Management options. London: W B Saunders 1994:35-49.

26. Asch RH, Balmaceda JP, Ellsworth LR et al. Preliminary experiences with gamete intrafallopian transfer (GIFT). Fertil Steril 1986; 45:366-71.

27. Meirow D, Schenker JG. Appraisal of gamete intrafallopian transfer. Euro J Obstet & Gynecol and Reproductive Biology 1995; 58:59-65.

28. Society for assisted reproductive technology. Assisted reproductive technology in the United States and Canada: 1993 results generated from the American Society for Reproductive Medicine/Society for Assisted Reproductive Technology Registry. Fertil Steril 1995; 64:13-21.

29. Ratnam SS and Ng SC. Assisted reproductive techniques, and their place in subfertility management. In: Ratnam, Ng SC, Sen DK, Arulkumaran eds. Contributions to obstetrics and gynaecology volume 1. Singapore Churchill Livingstone 1991; 3-24.

30. Palermo G, Joris H, Devroey P, an Steirteghem AC. Pregnancies after intracytoplasmic injection of single spermatozoon into an oocyte. Lancet 1992; 340:17-8.

31. Tournye H, Liu J, Nagy Z, Joris H, Wisanto A, Bonduelle M, et al. Intracytoplasmic sperm injection (ICSI): the Brussels Experience. Reprod Fertil Dev 1995; 7:269-79.

32. McLachlan RI, Fuscaldo G, Rho H, Poulos C, Dalrymple J, JacksonP et al. Clinical results from intracytoplasmic sperm injection at Monash IVF. Reprod Fertil Dev 1995; 7:247-53.

33. Hamberger L, Sjogren A, Lundin K, Soderlund B, Nilsson L, Bergh C, et al. Microfertilization techniques-The Swedish experience. Reprod Fertil Dev 1995; 7:263-8.

34. Bourne H, Richings N, Harari O, Watkins W, Speirs LS, Lan W, et al. The use of intracytoplasmic sperm injection for the treatment of severe and extreme male infertility. Reprod Fertil Dev 1995; 7:237-45.

35. Wisanto A, Magnus M, Bonduelle M, Liu J, Camus M, Tournaye H, et al. Obstetric outcome of 424 pregnancies after intracytoplasmic sperm injection. Human Reproduction 1996; 10(10):2713-8.

36. Trounson A, Leeton JF, Besanko M, et al. Pregnancy establishment in an infertile patient after transfer of a donated embryo fertilised in vitro. Br Med J 1983; 286:835-8.

37. Chan CLK, Devendra S. Embryos and oocyte donation. In: Ratnam, Ng SC, Sen DK, Arulkumaran eds. Contributions to obstetrics and gynaecology volume 1. Singapore Churchill Livingstone 1991; 89-103.

38. Trounson A, Mohr L. Human pregnancy following cryopreservation, thawing and transfer of an eight-cell embryo. Nature 1983; 305:707-9.

39. Mandelbaum J, Junca AM, Plachot M, Alnot MO, Alvarez S, Debache C, et al. Human embryo cryopreservation, extrinsic and intrinsic parameters of success. Hum Reprod 1987; 2:709-15.

40. Cohen J, Simons RF, Edwards RG, Fehilly CB, Fishel SB. Pregnancies following the frozen storage of expanding human blastocysts. J In Vitro Fert Embryo Transf 1985; 2:59-64.

41. Wang XJ, Ledger W, Payne D, Jeffrey R, Matthews CD. The contribution of embryo cryopreservation to in-vitro fertilization/gamete intra-fallopian transfer: 8 years experience. Hum Reprod 1994; 9:103-9.

42. Fugger E, Bustillo M, Katz L, Dorfmann A, Bender S and Schulman J. Embryonic development and pregnancy from fresh and cryopreserved sibling pronucleate human zygotes. Fertil Steril 1988; 50:273-8.

43. Navot D, Bergh PA, Laufer N. Ovarian hyperstimulation syndrome in novel reproductive technologies. Fertil Steril 1992; 58:249-61.

44. Paulson RJ, Sauer MV, Lobo RA. Embryo implantation after human in vitro fertilization: importance of endomtrial receptivity. Fertil Steril 1990; 53:870-5.

45. Assisted reproductive technology in the United States and Canada:1993 results generated from the American Society for Reproductive Medicine/Society for Assisted Reproductive Technology Registry. Fertil Steril 1995; 64:13-21.

46. Fugger E, Bustillo M, Dorfmann A, and Schulman J. Human preimplantation embryo cryopreservation: selected aspects. Hum Reprod 1991; 6:131-5.

47. Testart J, Lassalle B, Belaisch-Allart J, Forman R, Hazout A, Volante M, et al. Human embryo viability related to freezing and thawing procedures. Am J Obstet Gynecol 1987; 157:168-71.

48. Selick CE, Hofmann GE, Albano C, Horowitz GM, Copperman AB, Garrisi GJ, Navot D. Embryo quality and pregnancy potential of fresh compared with frozen embryos - is freezing detrimental to high quality embryos? Hum Reprod 1995; 10:392-5.

49. Levran D, Dor J, Rudak E, et al. Pregnancy potential of human oocytes - the effect of cryopreservation. N Eng J Med 1990; 323:1153-6.

50. Yee B, MD, Lin YP, MD, Chacon RR, BS, Soubra S, BS, Rosen GF, MD, Cassidenti DL, MD. A simplified method of timing frozen embryo transfers. Am J Obstet Gynaecol 1995; 172:1844-50.

51. Marshall BMS. Ethical issues in ART. Annals Academy of Medicine 1992; 21(4):582-8.

52. Trad F, Hornstein MD, Barbieri RL. In vitro fertilization: A cost-effective alternative for infertile couples? Journal of Assisted Reproduction and Genetics 1995; 12(7):418-21.

53. Neumann PJ, Johannesson M. Willingness to pay for in vitro fertilization: a pilot test using contingent valuation. Med Care 1994; 32:686-99.

54. Peterson CM, Hatasaka HH, Jones KP, Poulson AM, Carrell DT, Urry RL. Ovulation induction with gonadotrophins and intrauterine insemination compared with in vitro fertilization and no therapy: a prospective nonrandomized, cohort study and meta analysis. Fertil Steril 1994; 62(3):535-44.

55. Harrison RF, Kondaveeti U, Barry-Kinsella C, Gordon A, Drury L, Cottell E, et al. Should gonadotropin-releasing hormone down regulation therapy be routine in in vitro fertilization? Fertil Steril 1994; 62(3):568-74.

56. Wikland M, Borg J, Hamberger I, Svalander P. Simplification of IVF: minimal monitoring and the use of subcutaneous highly purified FSH administration for ovulation induction. Hum Reprod 1994; 9:1430-6.

57. Dimistry ES, Bates SA, Oskarsson T, Margara R, Winston RM. Programming in vitro fertilization for 3 or 5 day week. Fertil Steril 1991; 55:934-8.

58. Simon A, Avidan B, Mordel N, Lewin A, Samueluf A, Zajicek G, et al. The value of menotropin treatment for unexplained infertility prior to an in-vitro fertilization attempt. Hum Reprod 1991; 6:222-6.

59. Wessels PH, Cronje HS, Oosthuizen AP, Trumpelmann MD, Grobler S, Hamlett DK. Cost-effectiveness of gamete intra-fallopian transfer in comparison with induction of ovulation with gonadotropins in the treatment of female infertility: a clinical trial. Fertil Steril 1992; 57:163-7.

60. Abyholm T, Tanbo T, Dale PO, Magnus O. In vivo fertilization procedures in infertile women with patent fallopian tubes: a comparison of gamete intrafallopian transfer, combined intrauterine and intraperitoneal insemination, and controlled ovarian hyperstimulation alone. J Assist Reprod Genet 1992; 9:19-23.

61. Crosignani PG, Walters DE, Soliani A. The ESHRE multicentre trial on the treatment of unexplained infertility: a preliminary report. Hum Reprod 1991; 6:953-8.

62. Mills MS, Eddowes HA, Cahill DJ, et al. A prospective controlled study of in-vitro fertilization, gamete intra-fallopian transfer and intrauterine insemination combined with superovulation. Hum Reprod 1992; 7:490-4.

63. Bolton V, Hawes SM, Taylor CT et al. Development of spare human preimplantation embryos in vitro: an analysis of the correlations among gross morphology, cleavage rates and development to the blastocyst. Journal of IVF and ET 1989; 6:30-5.

64. Fehilly CB, Cohen J, Simons R F, et al. Cryopreservation of cleaving embryos and expanded blastocysts in the human: a comparative study. Fertil Steril 1985; 44:638-44.

65. Bongso A, Ng SC, Sathananthan H, Ng PL, Rauff M, Ratnam SS. Improved quality of human embryos when cocultured with human ampullary cells. Hum Reprod 1989; 4:706-13.

66. Bongso A, Fong CY, Ng SC, Ratnam SS. Human ampullary cocultures for blastocyst transfer in assisted reproduction. Ann Acad Med Singapore 1992; 21:571-75.

67. Yeung WSB, Ho PC, Lau EYL, Chan STH. Improved development of human embryos in vitro by a human oviductal cell coculture system. Hum Reprod 1992; 7:1144-9.

68. Wiemer KE, Hoffman DI, Maxson WS, et al. Embryonic morphology and rate of implantation of human embryos following coculture on bovine oviductal epithelial cells. Hum Reprod 1993; 8:91-101.

69. Bongso A, Ng SC, Fong CY, et al. Improved pregnancy rate after transfer of embryos grown in human fallopian tubal cell coculture. Fertil Steril 1992; 58:569-74.

70. Wiemer KE, Cohen J, Amborski GF, et al. In vitro development and implantation of human embryo following culture on the fetal bovine uterine fibroblast cells. Hum Reprod 1989; 4:595-600.

71. Morgan KF, Wiemer KE, Godke RA. Retrospective analysis of cocultured human embryos using videocinematography and image analysis. 49th Annual Meeting of the American Fertility Society, Toronto, Program Supplement 1993.

72. Forman RG, Frydman R, Egan D. Severe ovarian hyperstimulation syndrome using agonists of gonadotropin releasing hormone for in vitro fertilisation: a European series and a proposal for prevention. Fertil Steril 1990; 53:502-9.

73. MacDougall MJ, Tan SL, Jacobs HS. In vitro fertilisation and the ovarian hyperstimulation syndrome. Hum Reprod 1992; 7:579-600.

74. Brindsen PR, Wada L, Tan SL, Balen A, Jacobs HS. Diagnosis, prevention and management of ovarian hyperstimulation syndrome. Br J Obstet Gynaecol 1995; 102:767-72.

75. Navot D, Bergh PA, Laufer N. Ovarian hyperstimulation syndrome in novel reproductive technologies: prevention and treatment. Fertil Steril 1992; 58:249-61.

76. Von VD, Maltau JM, Forsdahl F, Abyholm T, Kolvik R, Ertzeid G, et al. Pregnancies, births and babies after in vitro fertilization in Norway, 1988-91. J Norwegian Med Assoc 1995; 115:2054-60.

77. Allen MC. Factors affecting development outcome. In multiple pregnancy, epidemiology, gestation and perinatal outcome, 1st edn. Keith LG, Papiernik E, Keith DM, Luke B. New York: Parthenon Publishing Group; 1995:599-612.

78. Callahan TL, Hall JE, Ettner SL, Christiansen CL, Greene MF, Crowley WF. The economic impact of multiple-gestation pregnancies and the contribution of assisted-reproduction techniques to their incidence. N Engl J Med 1994; 331:244-9.

79. Chelmow D, Penzias AS, Kaufman G, Cetrulo C. Costs of triplet pregnancy. Am J Obstet Gynecol 1995; 172:677-82.

80. Tanbo T, Dale PO, Lunde O, Mor N, Abyholm T. Obstetric outcome in singleton pregnancies after assisted reproduction. Obstet Gynecol 1995; 86:188-92.

81. FIVNAT (French In-vitro National): Pregnancies and births resulting from in vitro fertilization: French national registry, analysis of data 1986 to 1990. Fertil Steril 1995; 64:746-56.

82. Fathalla MF. Incessant ovulation - a factor in ovarian neoplasia? Lancet 1971; 2:163-5.

83. Whittemore AS, Harris R, Itnyre J. The Collaborative Ovarian Cancer Group. Characteristics relating to ovarian cancer risk: Collaborative analysis of 12 US case-control studies II. Invasive epithelial ovarian cancers in white women. Am J Epidemiol 1992; 136:1184-203.

84. Whittemore AS, Harris R, Itnyre J, Halpern J. The Collaborative Ovarian Cancer Group. Characteristics relating to ovarian cancer risk: Collaborative analysis of 12 US case-control studies. I. Methods. Am J Epidemiol 1992; 136:1175-83.

85. Harris R, Whittemore AS, Itnyre J. The Collaborative Ovarian Cancer Group. Characteristics relating to ovarian cancer risk: Collaborative analysis of 12 US case-control studies. III. Epithelial tumour of low malignant potential in white women. Am J Epidemiol 1992; 136:1204

86. Cohen J, Forman R, Harlap S, Johannisson E, Lunefeld B, deMouzon J, et al. IFFS expert group report on the Whittemore study related to the risk of ovarian cancer associated with use of fertility agents. Hum Reprod 1993; 8:996-9.

87. Bristow RE, Karlan BY. Ovilation induction, infertility, and ovarian risk. Fertil Steril 1996; 66(4)499-507.