The reasons for the vague pain in the abdomen and a little bleeding are: 1, gynecological diseases, including cervicitis, cervical erosion, uterine fibroids and so on, will appear vague pain in the abdomen, accompanied by bleeding phenomenon. 2, ovulatory pain and bleeding. Occurring in the middle of two menstrual periods, there is pain and bleeding in the abdomen. Because in the ovulation, the follicular membrane around the follicle rupture, the liquid seepage to the abdomen will appear irritating pain, there will be endometrial lesions, causing a small amount of bleeding, is a normal physiological phenomenon. There is no need for special treatment, adjust the mood, appropriate rest can be self-healing. 3, wear the ring after not adapting to cause, can be observed for a period of time, so that its adaptation can be self-healing, if up to half a year can not be adapted to, and re-exchange the other type of birth control ring can be treated for pain.