AMH and polycystic ovary syndrome: Multivariable models adjusted for BMI, HOMA index, AMH, infertility diagnosis (including PCOS and male factor infertility), type of fertilization (IVF vs. ICSI), and stimulation protocol (agonist vs. antagonist) confirmed the independent association of WHR with increased gonadotropin requirements, reduced oocyte yield, and lower OSI.