AMH and polycystic ovary syndrome: Considering anti-Müllerian hormone (AMH) is produced by granulosa cells in ovarian follicles, women with PCOS tend to have serum AMH levels that are double or triple that of their non-PCOS counterparts.4 Transvaginal ultrasound can be used to assess ovarian morphology, in which polycystic ovarian morphology is consistent with 20 or more follicles per ovary or ovarian volume greater than 10 cm3.