ENDOMETRIOSIS: WHAT TO WATCH FORWhat it is: The growth of endometrial tissue, which normally lines the uterus, in other places as well, especially the fallopian tubes, ovaries and the tissue lining the pelvisSymptoms: Painful periods, pelvic pain, excessive bleeding, infertilityRisk factors: Never having given birth; diagnosed in one's mother; menstrual cycles shorter than 27 days, bleeding longer