How does schoolgirl a month twice menstruation do

Girls a month to two menstruation, first need to find out the cause, such as emotional abnormalities, taking emergency contraceptives, or long stay up late, mental stress and other bad habits and endocrine disorders will lead to abnormal uterine bleeding. If contact bleeding related to the same room, mostly vaginitis, cervicitis, cervical polyps or cervical precancerous lesions, cervical cancer and other causes, need to go to the hospital as soon as possible to do gynecological examination and secretion tests, if necessary, do hysteroscopy.