Fertility outcome of laparoscopic treatment in patients with severe endometriosis and repeated in vitro fertilization failures.

Objective: To evaluate fertility outcomes in infertile women with severe endometriosis (The revised American Fertility Society classification [AFS] 3-4) and repeated IVF failures, who underwent surgery due to exacerbation of endometriosis-related symptoms.

Design: Retrospective cohort study.

Setting: University hospital.