Last period: 13 augustunprotected intercourse: 3rd septunwanted 72: between 1 hr withdrawal bleeding: 10 sept just because my period is irregular so 36 days later 1st time pregnancy test: 18 sept result is negative 2nd time pregnancy test: 25 sept result is again negative according to withdrawal bleeding my next period date 10 oct is it come? Or delayed ?is there any chance of pregnancy? If delayed then how much time � should wait? I?m totally tensed please help me dr.