Can I-pill Cause Vaginal Bleeding?

Hi i had my last periods on 6th june which lasted for 3 days on 16th of june i tried to make out with my boy friend but it dint worked out he was unable to insert and there was little insertion but he haven't ejected for the safe side i took i-pill within 4 hrs of that and after 7 days i am having vaginal bleeding is this normal it has been 2 days it haven't yet is there chances for pregnancy??? my next period is due on 12th of july (35 days cycle) will it happen on the above date please help...