Outcome of gamete intrafallopian transfer in women of 40 and over according to whether the number of oocytes transferred was rstricted.Values are numbers (percentages) oftreatment cycles Outcome Group 1 (no restrictions) Group 2 (restrictions) Pregnancy 34 (23) 113 (16) No pregnancy 117 (78) 618 (85) Total 151 (100) 731 (100)x' With Yates's correction4-0, df= 1; P < 0-05.(30/o), and two such pregnancies occurred in group 2 (2%).There were no quadruplet or higher order pregnancies, regardless of the number of oocytes transferred.
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Rawal et al. (1994) studied this question.