<prompt> Commonest cause of anovulatory infertility -PCOSTBEndometriosisThyroiddysfunction  <response>: Ans. is a i.e., PCOS Cause of female infertilityo Ovarian 3M0 PCOD 10o Tubal blockage 35-30o Uterine factors 10o Pelvic causes 5o Cervical causes 5o Unexplained infertility- 15 