Hi I Have Stop Using Contraceptuves For Almost A Year..

Hi i have stop using contraceptuves for almost a year.. since husband work abroad.. now that he is here. I take mt pills on my fiest day of meanstruation... my meanstruation usually stop at the 4th day.. but now its already my 6th day but still im havjng my periods and i dont feel comfortable with my tummy.. does rhis have something to do do with the pills that i take?what should i do