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A modified gonadotropin-releasing hormone (GnRH) antagonist protocol failed to increase clinical pregnancy rates in
Fertility and Sterility
|November 10, 2004
Abstract:
The purpose of this prospective randomized study was to compare stimulation characteristics and IVF outcomes of the standard long GnRH agonist protocol for ovarian stimulation with a modified GnRH antagonist protocol. Starting GnRH antagonist in a flexible protocol according to the size of the leading follicle, with simultaneous augmentation of 75 IU recombinant FSH, failed to increase clinical pregnancy rates.