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Comparison among different ovarian stimulation regimens for assisted procreation procedures in patients with endometriosis

par Chedit, S.;Camus, Marguerite ;Smitz, Johan;Van Steirteghern, A.C.;Devroey, Paul
Référence Human reproduction, 10, 9, page (2406-2411)
Publication Publié, 1995

Article révisé par les pairs

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Résumé :

The objective of our study was to establish the most adequate ovarian stimulation regimen for assisted procreation in endometriotic patients. It consisted of a retrospective analysis comparing the use of the gonadotrophin-releasing hormone analogue (GnRHa) buserelin either for 3 months or for 3 weeks and continued with ovarian stimulation with human menopausal gonadotrophin (HMG), and the use of clomiphene citrate in association with HMG for in-vitro fertilization (IVF) and embryo transfer, gamete intra-Fallopian transfer (GIFT) and zygote intra-Fallopian transfer (ZIFT). A total of 145 patients with endometriosis in 174 cycles were divided into two groups according to the revised American Fertility Society staging of the disease (group A, stages 1 and 2; group B, stages 3 and 4). The use of GnRHa significantly increased the number of oocytes retrieved. GnRH analogues for 3 months gave the highest fertilization rate for groups A and B. The cleavage, pregnancy and delivery rates, although higher in the groups treated with analogues, did not reach statistical significance. A higher number of patients had an embryo transfer in the groups treated with GnRHa (P < 0.05). Treatment with GnRHa for either 3 months or for 3 weeks proved to be more efficient than clomiphene citrate-HMG for assisted procreation procedures in patients with endometriosis.