Comparison of different stimulation protocols efficacy in poor responders undergoing IVF: a retrospective study.

PURPOSE To compare the efficacy of different stimulation protocols on pregnancy outcomes in poor responders undergoing in vitro fertilization (IVF). MATERIALS AND METHODS This was a retrospective study to compare the efficacy of four different protocols including gonadotropin-releasing hormone (GnRH) agonist (long, short and miniflare) and GnRH antagonist… (More)