Endometriosis is a condition characterized by the growth of the endometrial layer, which normally lines the inside of the uterus, outside the uterus in another area. It often progresses with pain. If you have a desire for children or are postponing your fertility plans, it is advisable to check your ovarian reserve before undergoing endometriosis or endometrioma surgery. Learn about preserving your ovarian reserve and related approaches before the procedure