There are more causes of lower body bleeding in women, the common ones are as follows: 1. Ovarian dysfunction. When the ovaries secrete abnormal levels of estrogen, progesterone and other sex hormones, irregular vaginal bleeding is likely to occur, and may also cause menstrual disorders. 2, gynecological inflammation. When there are gynecological inflammatory diseases such as cervicitis, endometritis, pelvic inflammatory disease, etc., a small amount of bleeding from the lower body is likely to occur. 3. Gynecological tumors, when there are gynecological tumors such as uterine fibroids, ovarian cysts, endometrial cancer, cervical cancer, etc., they are likely to cause vaginal bleeding. 4. After abortion, medical abortion or curettage, when there is tissue residue in the uterine cavity, it may also cause vaginal bleeding. 5. During taking drugs, it may stimulate and cause vaginal bleeding.