The range of normal menstrual flow is between 30-50ml and if it is more than 80ml it is diagnosed as excessive menstrual flow. If the menstrual flow is more than 100 ml and is short, more bleeding in a short period of time will result in the formation of clots, so whenever there are clots, it must be an indication of increased bleeding and excessive menstrual flow. Therefore, you need to look for the cause of increased bleeding and when you see heavy periods and clots, you need to think about the problem that the symptom reflects. A small amount of small blood clots during menstruation is fine and normal. However, if larger clots are present, it is important to visit the hospital and determine the cause of the clots during menstruation.