Prolonged menstruation is related to various factors such as psychological factors, environmental factors, living habits and diseases. 1. Psychological factors, if you often have excessive mood swings, irritability, depression, mental tension may lead to menstrual disorders and prolonged menstrual flow. 2. Environmental factors, a sudden change in living environment may affect the body and lead to abnormal menstruation. 3. Lifestyle habits, if you don’t pay attention to your personal physical conditioning, often have unclean sex or stay up late for a long time, it may lead to hormone secretion disorders in the body, resulting in prolonged menstrual flow and symptoms. 4. Diseases, some patients with prolonged menstrual flow may also be related to luteal insufficiency, uterine fibroids, endometrial polyps and other gynecological diseases. If this symptom occurs repeatedly, it is recommended to consult a doctor for examination and treatment.