This can cause painful bleeding into the ovary. Endometriosis is a condition in which the type of tissue that lines the uterus implants in locations outside the uterus. This typically cause pelvic pain around the time of the menstrual period, but can cause pain at other times in the cycle. Fibroids are benign growths in the muscle of the uterus. Fibroids are very common, and usually are not painful.
Some fibroids can cause pelvic pressure and pain.
Click here to learn more about fibroids. Infection can also be caused by other bacteria. Infection of the fallopian tubes is called salpingitis. Sometimes pelvic infection can cause severe pelvic pain and a fever, but a chlamydia infection may not cause any pain at all. If pelvic infection is suspected, it is important to treat with antibiotics, since severe damage to the tubes and ovaries can result if treatment is delayed.