The relatively small amount of bleeding during the menstrual period indicates that the menstrual flow is too low. To consider the presence of menstrual disorders, you can go to the hospital three days before the onset of menstruation for an ultrasound examination to see the thickness of the endometrium. The general cause of reduced menstrual flow is a thin endometrium, but endocrine disorders or uterine adhesions or the presence of thyroid disorders cannot be ruled out, and only after a detailed examination in the hospital can the right medicine be used. Low menstrual flow is usually more difficult to get pregnant, and it is also easy to have a miscarriage or a poorly developed embryo after pregnancy. It is important to check for the presence of ovulation along with the detection of a low menstrual flow. During the period of medication, you must pay attention to adhere to the medication, return to the hospital for regular review, and eat more soy products, donkey gum blood granules and Colla Corii Asini in your diet, all of which can promote increased menstrual flow. If you have had a lot of menstrual periods in the past, and this one is low, and you are not using contraception, you should consider the possibility of pregnancy or ectopic pregnancy, and do a test paper to rule it out.