Answer:
A lot of women track their flow and if you are pregnant and you experience abnormal amount of blood, blood clots big or small, painful cramps it's a good chance that you are having a miscarriage. First off you need to know if you are pregnant or not, if you are and you are having any of those miscarriage symptoms I named off please see your doctor immediately and if necessary go to the emergency room. If you know you are not pregnant and use birth control and experience some heavier than usual blood flow, know it could be a diet change, stress, and much more. I recommend taking some vitamin C pills daily because not only does it help keep the cold away but it can also reduce heavy menstrual bleeding.