Different women with endometriosis can experience different symptoms. Pelvic pain, as the most common symptom of endometriosis, often correlates to the menstrual cycle; however a woman with endometriosis may also experience pain at other times during her menstrual period. And the pain commonly becomes severe when the menses is coming.
However, although pelvic pain is typical symptom of this disease, some women with endometriosis don't have obvious symptoms. Those women who have symptoms that ranges from mild to severe. Symptoms may include: Pelvic pain; severe menstrual cramps; Low backache 1 or 2 days before the start of the menstrual period (or earlier); Pain during sexual intercourse; rectal pain; Pain during bowel movements.