Anovulation

Anovulation is a common and often treatable cause of infertility. Frequent causes include polycystic ovary syndrome, thyroid disorders, high prolactin, very low body weight or heavy exercise, and approaching ovarian insufficiency. Treatment aims at the underlying cause and often includes ovulation induction with letrozole.

Also known as: not ovulating, no ovulation

Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.