It is not normal for menstruation to be 10 days late, so it is important to pay attention to the problem and go to the hospital in time to get a clear picture of the cause of the problem. Late menstruation, also called delayed menstruation, is a type of menstrual disorder. Generally, women’s menstrual cycle is 21-35 days, an average of 28 days, that is, about 7 days in advance or delayed, are normal phenomena, but more than 7 days after the menstrual period has not yet come, is an abnormal phenomenon. Delayed menstruation for 10 days may be caused by pregnancy, taking estrogen-containing drugs, uterine adhesions, cervical adhesions, endocrine disorders, hypothyroidism, severe anemia, mental factors, environmental factors and other reasons. It is recommended to go to the hospital in time for relevant examinations to clarify the cause of the disease and then targeted management.