Follicular dysplasia is one of the core pathophysiological mechanisms of polycystic ovary syndrome(PCOS). The role of ovarian local regulation of follicle development has been increasingly prominent. Anti-müllerian hormone (AMH) is the negative feedback regulation mechanism of follicle development and closely associated with female ovarian function. The important impact factors of PCOS follicular dysplasia and sex hormone synthesis disorder may be that abnormal AMH expression in patients with PCOS. AMH can predict early PCOS, diagnose the degr...