• M M Quigley, J E Sokoloski, D M Withers, S I Richards, and J M Reis.
• Fertil. Steril. 1987 May 1; 47 (5): 797-801.

AbstractDuring a 6-month period, a combination of gamete intrafallopian transfer (GIFT) and in vitro fertilization (IVF) was offered to all couples beginning an IVF treatment cycle in whom the wife had anatomically normal fallopian tubes. It was recommended to these couples that sufficient oocytes be reserved for insemination in vitro to determine whether the husband's spermatozoa could fertilize the wife's oocytes. During this interval, 16 couples underwent the combined IVF-GIFT procedure. All of the IVF-GIFT couples had at least two oocytes inseminated in vitro and at least two oocytes for GIFT. Of the 16 IVF-GIFT couples, only 1 (6.25%) achieved a clinical pregnancy. More important, 50% (8/16) of the IVF-GIFT couples had no oocytes fertilized in vitro. With the information concerning lack of fertilization in vitro, appropriate recommendations concerning future fertility management can be made. If the same couples had undergone the GIFT procedure alone, without additional oocytes fertilized in vitro, this information would not have been obtained.

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