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Fertil Steril. 1987 Jul;48(1):86-93.

Evolution of a highly successful in vitro fertilization-embryo transfer program.

Abstract

During the first 2 1/2 years of operation of the University of California at Los Angeles in vitro fertilization-embryo transfer program, 47 clinical pregnancies were achieved in 154 laparoscopies for oocyte aspiration (31%). Two of these pregnancies were achieved through transfer of cryopreserved embryos when ongoing pregnancy did not result from embryo transfer in the stimulated cycle. An increase in clinical implantation was noted with a reduction of transfer volume and proportion of air, with 34% of laparoscopies being followed by clinical pregnancy over the last 18 months. No difference in the rate of clinical pregnancy was noted relative to uterine depth or position. The high rate of multiple implantation (47%) suggested a high level of embryo quality. The success rate was attributed to a strong ovarian, human menopausal gonadotropin stimulation, accurate timing of human chorionic gonadotropin, a high oocyte retrieval rate, meticulous laboratory technique, atraumatic, high-fundal transfer of embryos, and initiation of embryo cryopreservation.

PMID:
2954865
[Indexed for MEDLINE]

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