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. 1992 Jun 6;304(6840):1465–1469. doi: 10.1136/bmj.304.6840.1465

Expectations of assisted conception for infertility.

M G Hull 1, H A Eddowes 1, U Fahy 1, M I Abuzeid 1, M S Mills 1, D J Cahill 1, C F Fleming 1, P G Wardle 1, W C Ford 1, A McDermott 1
PMCID: PMC1882242  PMID: 1611367

Abstract

OBJECTIVE--To provide reliable prognostic information for couples seeking assisted conception. DESIGN--Analysis of four years' practice (1988-91). SETTING--Private university service linked with NHS reproductive medicine services. PATIENTS--804 couples with various causes of subfertility, median duration five years, median age of women 34 years. INTERVENTIONS--1280 completed cycles: 950 in vitro fertilisation, 144 gamete intrafallopian transfer, and 186 intrauterine insemination and superovulation. MAIN OUTCOME MEASURES--Pregnancy and birth rates per cycle and cumulative pregnancy and take home baby rates per couple. RESULTS--In women under 40 years and men with normal sperm, whatever the cause of infertility, results with in vitro fertilisation improved steadily reaching a pregnancy rate per cycle of 30% (95% confidence interval 26% to 35%) during 1990-1 and birth rate per cycle of 29% (23% to 35%) in 1990. Pregnancy and birth rates for gamete intrafallopian transfer were 36% (28% to 44%) and 26% (17% to 37%) and for intrauterine insemination 18% (12% to 24%) and 16% (10% to 22%). After six cycles cumulative probability of pregnancy was 82% and cumulative take home baby rate 70%. Considering only in vitro fertilisation and gamete intrafallopian transfer after four cycles the pregnancy rate was 78% (66% to 91%). CONCLUSIONS--Conception is less likely in women over 40 and men with sperm dysfunction. For other couples the prognosis for a live birth is at least as good as for fertile couples if they persist with treatment.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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