PRL and polycystic ovary syndrome: Data presented as Mean ± SEM. PCOS: Polycystic ovary syndrome, BMI: Body mass index, MII: Metaphase II, GV: Germinal vesicle, LH: Luteinizing hormone, FSH: Follicle-stimulating hormone, E2: Estradiol, AMH: Anti-Müllerian hormone, PRL: Prolactin, TSH: Thyroid-stimulating hormone