Heavy Vaginal Bleeding after getting fingered which lasted with a blood clot.

Hi, two weeks back I was fingered by my husband, and suddenly i started bleeding heavily for three hours and it ended with a Clot kind of thing which was not very small and I felt no pain at all. I use to have my regular periods,last period date was 3rd feb 2013 but this time my period start on 10th march, but the flow is not normal flow I used to have till feb, this time its lighter period. Is it normal???
I want to know can there be any complication in future.
if i plan a baby in near future, do i need to be worried. I am TOO WORRIED about it.