Endometriosis is a disorder in which a tissue similar to the tissue that forms the lining of your uterus grows outside of the uterine cavity. The lining of the uterus is called the endometrium
Endometriosis occurs when endometrial tissue grows on your ovaries, bowel, and tissues lining your pelvis. It’s unusual for endometrial tissue to spread beyond your pelvic region, but it’s not impossible. Endometrial tissue growing outside of your uterus is known as an endometrial implant
The hormonal changes of your menstrual cycle affect the misplaced endometrial tissue, causing the area to become inflamed and painful. This means the tissue will grow, thicken, and break down. Over time, the tissue that has broken down has nowhere to go and becomes trapped in your pelvis.
This tissue trapped in your pelvis can cause:
Endometriosis is a common gynecological condition, affecting up to 10% of women. You’re not alone if you have this disorder.