AMH and polycystic ovary syndrome: The remaining studies reported AMH levels for healthy non-obese and obese women with regular menstrual cycles as part of their (baseline) clinical characteristics for studies aimed at: (1) contrasting reproductive and metabolic features of women with or without PCOS [37,39,40,41,43,44,45,49], (2) predicting onset of menopause [17] or time to natural conception [26], or (3) assay validation and reference range development [38].