A forty-year-old woman who comes back ten days after menstruation may be caused by irregular menstruation, cervical and uterine diseases. 1. Irregular menstruation: for patients with cyclical irregular menstruation, the phenomenon of ten days after menstruation is very likely to occur, usually due to mental or medication and other aspects of the cause. 2. Cervical disease: if the patient this kind of situation mostly appears in the period after sexual life, may be due to cervical polyps, cervical cancer and other reasons caused by irregular bleeding. 3. Uterine diseases: if the patient often occurs after ten days after menstruation, and accompanied by lower abdominal pain, etc., we should consider the existence of this fibroid, endometrial polyps and other uterine system diseases. There may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.