Abstract
As an alternative to embryo cryopreservation, the efficacy of intrauterine transcervical transfer of a small number of embryos resulting from fertilization of supernumerary oocytes obtained during a GIFT cycle (GIFT-ET) was assessed in this investigation. Data from 72 consecutive GIFT (N =27) and GIFT-ET (N =45) cycles were retrospectively reviewed. Age and infertility diagnoses were similar among the two groups. Clinical pregnancy, ongoing pregnancy, and abortion rates per retrieval were not significantly different between the two groups. We conclude that GIFT-ET offers no advantage over GIFT alone and that cryopreservation of all supernumerary embryos with intrauterine transfer in subsequent cycles would maximize pregnancy rates from a single oocyte aspiration and GIFT procedure.
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Presented in part at the 47th Annual Meeting of the American Fertility Society, Orlando, Florida, October 21–24, 1991.
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Williams, D., Kerin, J., Surrey, M. et al. Comparison of cycle outcome for gamete intrafallopian transfer alone and in combination with intrauterine embryo transfer. J Assist Reprod Genet 10, 44–46 (1993). https://doi.org/10.1007/BF01204439
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DOI: https://doi.org/10.1007/BF01204439