A comparison study of a novel stimulation protocol and the conventional low dose step-up and step-down regimens in patients with polycystic ovary syndrome undergoing in vitro fertilization.

Abstract
To compare the efficacy of a sequential step-up/step-down protocol with the conventional low dose step-up and the step-down regimens in patients with polycystic ovary syndrome (PCOS) undergoing IVF.

Prospective randomized study.
Private fertility clinic.