I had an intercourse just 2 days before the expected date of my periods. Aftet the intercourse we found thre is a need of taking ipill and i had it within 24 hours. I was feeling low for sometym but its been 5 days ven i had the pill and i am suffering vth daily little bleeding in the afternun tym even after my periods..even my periods were also not that normal this tym as it should be... is it something serious?