Age-specific reference ranges and variation of anti-mülerian hormone in healthy Chinese women of reproductive and perimenopausal age: a nationwide population-based prospective multicenter cross-sectional study

This study established the age-specific serum AMH reference ranges for healthy Chinese women of reproductive and premenopausal age, and observed that the consistent decrease of AMH after 20 years accelerated around the beginning of perimenopause (40 years).