Menstruation drags brown blood is how to return a responsibility

Menstruation procrastination, brown blood, generally indicates prolonged menstruation. This situation should first check hematuria hcg, except pregnancy, abortion, ectopic pregnancy to related circumstances. Also check B ultrasound, check the cervix, except organic lesions. To check cervical TCT and HPV, except cervical precancerous lesions, even cervical cancer. To check B ultrasound, except uterine fibroids, endometrial polyps, endometrial thickening and other organic lesions caused by prolonged menstruation. When necessary, even to curettage examination, except endometrial tumors, even endometrial cancer. Generally also to check female sex hormone 6 and thyroid function, except hypothyroidism, luteal dysfunction caused by endocrine abnormalities prolonged period.