Age-specific anti-Müllerian hormone reference values using an ultrasensitive assay: Associations with ovarian aging and menopausal transition symptoms.
BACKGROUND Accurately assessing ovarian aging remains a critical challenge in women's health, particularly during the late reproductive stage and menopausal transition. Anti-Müllerian hormone (AMH) is widely used to reflect ovarian reserve, but its application in midlife women is limited by the lack of standardized age...