The most common risk of irregular menstruation in women is that it may affect pregnancy, leading to difficulties in getting pregnant or secondary infertility, as well as pelvic infections or anemia due to irregular menstruation. Some women with irregular menstruation may have prolonged periods and excessive menstrual flow, which may lead to pelvic infections and anemia due to blood loss. In general, women who have irregular menstruation need to be examined for ultrasound and sex hormone six to determine the specific cause, and then according to the results of the examination to carry out symptomatic treatment, there are many causes of irregular menstruation, and the treatment of different causes will vary from person to person.