Endometriosis Women with endometriosis develop tissue that looks and acts like endometrial tissue outside the uterus, usually on other reproductive organs inside the pelvis or in the abdominal cavity. Pelvic Pain Pelvic pain is a common complaint among women. Its nature and intensity may fluctuate, and its cause is often obscure. Uterine Fibroids Some estimates say that 20 to 50 percent of women of reproductive age have fibroids, although not all are diagnosed. In most cases, fibroids are benign. Pelvic Inflammatory Disease (PID) Untreated, PID can cause infertility and can also lead to chronic infection or even peritonitis. Hysterectomy Hysterectomy is the surgical removal of the uterus. Different portions of the uterus, as well as other organs, may be removed at the same time.