11/26/2020 Endometriosis: Practice Essentials, Background, Pathophysiology This site is intended for healthcare professionals Endometriosis Updated: Jul 25, 2018 Author: G Willy Davila, MD; Chief Editor: Michel E Rivlin, MD more... OVERVIEW Practice Essentials Endometriosis is defined as the presence of normal endometrial mucosa (glands and stroma) abnormally implanted in locations other than the uterine cavity (see the image below). Approximately 30-40% of women with endometriosis will be subfertile. Endometriosis. Red lesions on various organs. To continue reading this article ... Log In or Register for Free TOP PICKS FOR YOU https://emedicine.medscape.com/article/271899-overview 1/1