The bleeding u had after about a week after taking I pill may be intermenstraul spotting/bleeding, as one of the side effects of emergency contraceptive pills... However.. urine pregnancy test will yield accurate results only after the next due date...that is thereafter from the day of missed period. Please do a urine pregnancy test on the day of missed period. Possibility of pregnancy cannot be determined as you haven't furnished details of your last periods and the cycle duration. But if you are sure that there was no act of ejaculation then pregnancy can be ruled off.