i took ipil on 15.9.14 after 15 hrs of my unprotected sex. as my partner s best knowledge,he didn t ejaculated sperm inside,but for safety i took ipil. is there any chance of pregnancy? how much time it will take to strat bleeding after taking ipil. my period due date is on 18.4.14. age-19,height~5.5ft,weight~69kgs.