I'm 21.I took a unwanted 72 on 28th dec.6th january I got withdrawal bleeding. It was continue 5days.My last period date was 18dec.22nd jan I tested home Pregnancy and
beta hcg(blood test) that was negative.after that again I tested on 28th jan that was also negative. Today 7th feb, but I don't get my period yet.any chance of pregnancy? When should come my period?