endometriosis

Endometriosis is a disease in which tissue similar to the endometrium—the lining of the uterus (womb)—grows elsewhere in the body. The tissue most often grows close to the uterus, such as on the ovaries, fallopian tubes, or the lining of the pelvis. It can also appear on the bowel, bladder, and in some cases on the lungs or skin. Worldwide, endometriosis affects approximately 10% of the female population of reproductive age, representing nearly 200 million women. Symptoms typically start in adol