Polycystic ovary syndrome (PCOS)

A hormonal disorder that causes irregular ovulation and the formation of cysts on the ovaries; PCOS is a common cause of infertility that can be resolved with IVF or IUI. The syndrome is often associated with insulin resistance, elevated levels of male hormones (androgens) and metabolic problems. Treatment includes lifestyle changes, hormone therapy and assisted reproduction, depending on the severity of symptoms and the patient's individual needs.