Menstruation has been very normal suddenly came ten days, first need to clarify is abnormal bleeding or disordered menstruation, the situation is very likely to be mental factors caused by irregular menstruation, may also be related to pregnancy caused by abnormal bleeding, but also can not be ruled out because of the emergence of the endometrial polyps, uterine fibroids, and other organic lesions caused by abnormal bleeding. Women who occasionally have a period for more than ten days may have irregular periods caused by anxiety, nervousness and other mental stimuli and irregularities in life, at this time, women should be soothed, pay attention to the regularity of life and work and rest, and generally the symptoms can be recovered on their own. Women of childbearing age who experience the above situation may also be related to pregnancy, common causes include ectopic pregnancy, preeclampsia, incomplete abortion, etc., these situations will lead to vaginal bleeding, mostly accompanied by abdominal pain. These conditions may also occur if a woman has a gynecological disorder, such as endometrial polyps, fibroids, uterine adenopathy, cervical cancer, or endometrial cancer, which may cause prolonged menstrual periods or abnormal vaginal bleeding. There may also be other reasons for the above condition. It is recommended to go to the hospital for examination in a timely manner to identify the cause of the condition under the guidance of the doctor and carry out targeted treatment to avoid delaying the condition.