Pelvic pain: Pain perceived in the area of the pelvis, the lower part of the abdomen located between the hip bones. The term pelvic pain is most commonly used to refer to pain arising from reproductive organs (uterus, fallopian tubes, ovaries, vagina) in women. In this sense pelvic pain can have numerous causes, including menstrual cramps; pain from a rupture of an ectopic pregnancy, ovarian cyst, or other mass; endometriosis; and pelvic inflammatory disease . Nongynecologic sources of pelvic pain can include urinary tract infections, intestinal obstruction, colitis, tumors, appendicitis, or a number of other conditions.