Arise outside the uterus in endometriosis
Patches of endometrial tissue, which are ordinarily present only in the lining of the uterus (endometrium), arise outside the uterus in endometriosis. It’s unclear why endometrial tissue appears outside the uterus. Endometriosis can cause pain and affect fertility (especially before and during menstrual cycles and during sexual intercourse), but it can sometimes go unnoticed. A … Read more
