After superovulation-intrauterine insemination fails: the prognosis for treatment by gamete intrafallopian transfer/pronuclear stage transfer

In: Fertility and Sterility · 1992 · vol. 57(3) , pp. 606–612 · doi:10.1016/s0015-0282(16)54908-5 · PMID:1740206 · W55607995
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This paper examined the success rates of gamete intrafallopian transfer or pronuclear stage transfer following failed superovulation-intrauterine insemination treatments.

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Abstract

ObjectiveTo determine the prognosis for gamete intrafallopian transfer (GIFT)/pronuclear stage transfer (PROST) treatment after prior superovulation-intrauterine insemination (IUI).DesignMatched, retrospective.SettingOutpatient university endocrine-infertility program.Patients, participantsOne hundred forty-four women matched for infertility factors and age were studied according to the following three treatment groups: superovulation-IUI only, GIFT/PROST only, or GIFT/PROST after superovulation-IUI.Main outcome measuresPer cycle and cumulative pregnancy rates (PRs) were compared utilizing life table analysis.ResultsCumulative PRs (0.408) for superovulation-IUI only were lower than initial (0.469) and cumulative (0.802) cycle fecundity of GIFT/PROST (P = 0.002). Per cycle and cumulative PRs did not differ between GIFT/PROST only versus GIFT/PROST after superovulation-IUI.ConclusionsGamete intrafallopian transfer/PROST may be cost-effective when compared with superovulation-IUI. The prognosis for GIFT/PROST success is not negatively affected by earlier superovulation-IUI treatment failure.

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