I keep getting cramps, its been over a week now and they keep coming and going. what could be the problem? i was taking contraceptives and have been off them for about 3 months and haven't had my period.

Pelvic pain: Pelvic pain is complex as there are several organs in the pelvis. The ovaries, fallopian tubes, uterus, cervix, bladder, appendix, intestines, colon and rectum can all be the source. Pelvic pain requires and examination to help organize the evaluation. Cyclic pelvic pain could be endometriosis or a variety of other gynecologic causes