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Follicular maturation parameters associated with the failure of oocyte retrieval, fertilization, and cleavage in vitro.

作者信息

Ben-Rafael Z, Kopf G S, Blasco L, Flickinger G L, Tureck R W, Strauss J F, Mastroianni L

出版信息

Fertil Steril. 1986 Jan;45(1):51-7. doi: 10.1016/s0015-0282(16)49096-5.

DOI:10.1016/s0015-0282(16)49096-5
PMID:3080346
Abstract

Follicular maturation parameters predictive of decreased success in human in vitro fertilization were evaluated in 104 gonadotropin-stimulated cycles. Falling estradiol (E2) levels correlated with decreased fertilization (1.9 oocyte/cycle) and cleavage (1.4 oocyte/cycle), when compared with cycles with increasing E2 (2.4 and 2.1 oocyte/cycle, respectively). Likewise, polyspermic fertilization was higher in the former group. Falling E2 levels after human chorionic gonadotropin (hCG) administration correlated with similar trends. Delaying hCG (24 to 96 hours) relative to the last dose of gonadotropin did not affect the total number of oocytes fertilized per cycle. However, polyspermic fertilization and cancellation rates were higher. Leading follicles growing beyond 2.3 cm (determined by ultrasound examination) were associated with decreased recovery, fertilization, and cleavage, and increased polyspermic fertilization. We conclude that ultrasonography and E2 monitoring can predict decreased fertilization and cleavage and should also be monitored after hCG administration.

摘要

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