Comparison of GnRH agonists and antagonists in unselected IVF/ICSI patients treated with different controlled ovarian hyperstimulation protocols: a matched study.

Objectives: To evaluate the results of the use of GnRH antagonist (GnRHant) and GnRH analog (GnRHa) in two matched groups of unselected IVF/ICSI patients in a retrospective matched pair analysis.

Study Design: Patients (n=52) were stimulated with human menopausal gonadotropin (hMG) and/or recombinant FSH (rFSH). In Group I (n=26) a daily dose of 0.