Physiological period has not always gone is not necessarily a miscarriage, but may also be anovulatory dysgerminia, ectopic pregnancy, endometrial polyps, submucosal fibroids and so on. 1. Miscarriage: If there is persistent bleeding, there is a possibility of miscarriage, we should consult the hospital in time to see if the pregnancy can continue, and carry out fertility preservation treatment or uterine evacuation. 2. Anovulatory dysmenorrhea: it is easy to occur during puberty and menopause, and there may be prolonged menstrual period, which can be treated with drugs such as dydrogesterone, ethinyl estradiol cyproterone tablets, and so on. 3. Ectopic pregnancy: the fertilized egg is deposited in the wrong location, abdominal pain and vaginal bleeding may occur, and it should be consulted in time for clear diagnosis and active treatment. 4. Endometrial polyps: this is a kind of female common disease, may appear with the growth of the polyp menstruation time prolongation, then perfect ultrasound examination, if necessary, surgical resection. 5. Submucous fibroids: the main manifestation of fibroids is prolonged menstrual period, increased menstrual flow, etc. Surgical removal is recommended. In summary, the physiological period has been not necessarily miscarriage, we should consult a doctor in time to clarify the diagnosis, symptomatic treatment.