I had my periods on 5th September and had sex on 14th September, we used protection but it got stuck inside me while he was pulling out, though he was quite sure that he didn't ejaculate inside me,I took an I pill after 2-3 hrs of the incident. After 4 days of taking the pill,I started bleeding like I would on my period for 3-4 days. was it an early period or withdrawal bleeding? I haven't got my periods in October till now. Is there a chance of pregnancy? Or is the pill messing up my cycle?