After menstruation passes half month bleeds again how to return a responsibility

Half a month after menstruation and bleeding: the first, most common or menstrual disorders caused by this situation should be carried out gynecological ultrasound, sex hormones and gynecological examination to make a clear diagnosis. Second, it may also be caused by endometrial polyps, submucosal uterine fibroids or endometrial lesions, cervical lesions, so this should also be gynecological examination and ultrasound to make a clear diagnosis, if necessary, hysteroscopy and colposcopy, according to the postoperative pathological conditions to decide the next treatment. Third, it may also be caused by endometrial inflammation, after the application of antibiotics, the condition can be alleviated. Fourth, it cannot be ignored that it may be caused by pregnancy, because it is also possible that this menstruation is not a real menstruation, so HCG should be tested to exclude ectopic pregnancy, threatened abortion or biochemical pregnancy.