Suggest Treatment For Heavy And Prolonged Period

On the 10th of january i recieved my monthly period and it carred on for 4 days (which is my monthly length); i then recieved a second period on the 30th of january which is still being carried onto its 9th day and still very strong. yesterday i had clotting. this could be a result of me stopping my pill on the 5th of january. could i be pregnent or what are all of the other possibilities to this situation??