Answer:
Endometriosis
Explanation:
Endometriosis is a condition in which the tissue that lines the uterus from inside , now grows outside the uterus. The displaced endometrial tissue is broken down and carried away with menstrual cycle. However, sometimes this endometrial tissue can extend beyond the pelvic organs.
Endometriosis causes lot of pain and bleeding and some time it may leads to infertility.
