Periods are the most dreaded time of the month for women; nobody enjoys this time. It still is the most reliable way to determine your pregnancy. The bleeding varies from woman to woman. Some might have a heavy flow for more days while others have a lighter flow and for a less number of days. It has been one of the topics of interest for woman as they want them to end it quickly. The best way to deal with this is to talk to a gynecologist, but you should also be educated yourself about the topic.