thanks for using health care magic
Emergency contraceptive pill
has a remarkable effectiveness
when taken within 12 hours following unprotected intercourse
Also, at 4 days after ending menses, its less likely to be your
fertile period unless you have a particularly short menstrual
cycle say 21 days.
The bleeding that you experience was a result of the hormonal
pill that you took and its but normal.
However, you could do a pregnancy
test in a months time to be
Thanks and hope this helps you.