Aunt in medical students called menstruation, simply by menstrual blood is pink, does not determine the specific situation, may be normal, may also be due to disease. At the beginning of menstruation, the amount of menstrual blood is relatively small, mixed with more cervical mucus, then the color of the blood may be pink, will be delayed with time menstrual flow increased, the color of the blood deepened. If the menstrual blood volume is consistently low, visually less than 5 ml per cycle, it is important to consider that it is due to a disease. For example, cervicitis, endometritis, etc., under the stimulation of inflammation, it will lead to an increase in secretion or exudate, which will dilute the originally dark red menstrual blood and turn it into pink color. Disease-induced abnormal menstrual blood color is usually accompanied by other discomforts. You can consult your doctor for a gynecological examination or sex hormone test to identify the cause of the abnormal menstrual blood color, and then treat the cause of the abnormality.