If you are a teenager who has just started menstruation, then it is due to the imperfect development of the ovaries, dysfunctional uterine bleeding will occur, the clinical manifestation of menstruation is irregular, abnormal menstrual flow and other symptoms, if there is no other discomfort does not require special treatment, usually pay attention to menstrual hygiene, to ensure that the diet nutritional, reasonable, and relaxed mood. If the adult female recurring menstrual bleeding, it may be caused by endocrine disorders and emotions, work and rest and other factors, it is recommended to ensure adequate sleep, adjust the state of mind, do not eat or excessive dieting. In addition, some women will have menstruation, but no ovulation, clinically known as anovulatory menstruation, menstrual flow is relatively small need to be treated by specialists. If the menopausal women due to the gradual decline of ovarian function, the body’s hormone levels gradually decline, will also lead to a gradual decrease in menstrual flow until menopause, it is recommended to adjust the mindset and let nature take its course.