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- Title
EndocrinologyHormonal profile during the follicular phase in cycles stimulated with a combination of human menopausal gonadotrophin and gonadotrophin-releasing hormone antagonist (Cetrorelix).
- Authors
Albano, C.; Smitz, J.; Camus, M.; Riethmüller-Winzen, H.; Siebert-Weigel, M.; Diedrich, K.; Van Steirteghem, A.C.; Devroey, P.
- Abstract
A third-generation gonadotrophin-releasing hormone antagonist (Cetrorelix) was used during ovarian stimulation in 32 patients undergoing assisted reproduction, in order to prevent the premature luteinizing hormone (LH) surge. In all patients, ovarian stimulation was carried out with two or three ampoules of human menopausal gonadotrophin (HMG), starting on day 2 of the menstrual cycle. In addition, 0.5 mg of Cetrorelix was administered daily from day 6 of HMG treatment until the day of ovulation induction by human chorionic gonadotrophin (HCG). A significant drop in plasma LH concentration was observed within a few hours of the first administration of Cetrorelix (P<0.005). Moreover, no LH surge was detected at any point in the treatment period in any of the 32 patients. A mean oestradiol concentration of 2122±935 ng/1 was observed on the day of the HCG administration, indicating normal folliculogenesis. Like LH, progesterone concentration also dropped within a few hours of the first administration of Cetrorelix (P< 0.005). A 0.5 mg daily dose of Cetrorelix prevented a premature LH surge in all the 32 patients treated.
- Publication
Human Reproduction, 1996, Vol 11, Issue 10, p2114
- ISSN
0268-1161
- Publication type
Article
- DOI
10.1093/oxfordjournals.humrep.a019058