Causes of abdominal pain with blood in the leukorrhea are ovulatory bleeding, gynecological inflammation, birth control ring stimulation and so on. 1. Ovulation bleeding: around the 14th day before menstruation, due to the high level of hormones in the body, a transient decrease in the time of ovulation and lead to ovulation bleeding, with the rapid growth of progesterone, the endometrium can be repaired, the symptoms of bleeding will soon disappear, when the follicle rupture, the follicular fluid stimulation of the pelvic tissues and cause mild pain symptoms. 2. Gynecological inflammation: such as chronic cervicitis, endometritis, endometrial polyps, pelvic inflammatory disease, cervical lesions, cervical polyps, etc., may lead to leukorrhea with blood abdominal pain symptoms. You need to go to the hospital for routine tests of leukorrhea, HPV and TCT tests, ultrasound, etc. After diagnosis, you can combine traditional Chinese and Western medicine under the guidance of the doctor. 3. birth control ring stimulation: after the birth control ring, because the ring is a foreign body, the normal endometrial rejection reaction will lead to abdominal pain, or leukorrhea with blood, usually within three months the symptoms will disappear. The IUD can also cause pain in the abdomen and blood in the leukorrhea. The pain in the abdomen with blood, need to go to the hospital for a clear diagnosis, to confirm the physiological or pathological, and then under the guidance of the doctor symptomatic treatment, to avoid improper treatment caused by adverse consequences.