Just seven or eight days before menstruation comes, it starts to hurt my stomach until menstruation.

In the first seven or eight days of menstruation to start small stomach pain to menstruation, consider may be gynecological inflammation, such as endometriosis, pelvic inflammatory disease, cervicitis or adenomyosis. Suggestions: you can go to the hospital to do a detailed gynecological examination, clear specific reasons, and then treatment.