Low and prolonged periods at age 50 may be caused by a decline in ovarian function and menopausal changes. Menopause is the physiological stage before and after menopause in women, usually between the ages of 40 and 60. Menopause occurs due to a significant decline in female hormones caused by the gradual depletion of follicles in the ovaries. The decrease in sex hormones leads to a series of physical, psychological and neurological symptoms, including menstrual disorders and psychoneurological symptoms. Menstrual disorders include increased or decreased menstrual flow, prolonged menstrual period, etc. Therefore, the probability of low menstrual flow at the age of 50 is due to menopause. If there are other discomforts in the body, it is recommended to consult a doctor in time for a clear diagnosis and targeted treatment.