Acute pelvic pain can be caused by one of many conditions of the female reproductive tract, urinary tract, or gastrointestinal system.
Some examples are: Ovarian cyst, pelvic inflammatory disease, endometriosis, ectopic pregnancy, fibroids, urinary tract infection, kidney stones, interstitial cystitis, acute inflammation of the gall bladder, appendicitis, diverticulitis, and colon cancer.