Symptoms of incomplete endometrial shedding include prolonged menstrual period, heavy bleeding, anemia and shock. 1. Prolonged menstrual period: menstruation lasts for a long time, up to 9~10 days or even more, and the menstrual blood is dripping. 2. Heavy bleeding: the patient’s bleeding is more than before and can exceed 80 ml or even more. 3. Anemia: manifested by dizziness, pale nail beds, pale eyelids, poor concentration, etc. Some patients even show irritability. 4. Shock: cold and wet all over the body and nervousness in the early stage of shock; progressive decrease of blood pressure in the middle stage of shock, little or no urine; bruises on the skin and cold limbs in the late stage of shock. If the above symptoms occur, it is recommended to consult a doctor in time and actively treat under the guidance of the doctor.