Aunt generally refers to menstruation, menstruation for 10 days is an abnormal manifestation, may be endocrine disorders, submucosal fibroids, thrombocytopenia and other diseases caused by lesions manifestations. 1. Endocrine disorders: if a woman is overly anxious and suffers from great mental stimulation, it may cause endocrine disorders, which may lead to menstrual disorders and may result in menstruation for 10 days. 2. Submucosal fibroids: in female patients with submucosal fibroids, irregular shedding of the uterine lining during menstruation may cause menstruation to come for 10 days. 3. Thrombocytopenia: if the patient’s platelet is reduced and cannot maintain normal blood clotting function, it will lead to prolonged menstruation, and there may be menstruation for 10 days. If menstruation comes for 10 days, you need to observe your own situation. If this is the case for several cycles, it is recommended that you consult a doctor in time to avoid delaying your condition.