I had my last period 5-8-12, and had unprotected sex around the 20-21. I've had a few signs of pregnancy, but haven't taken a test yet. I started bleeding 6-3-12, and it seems like my period, but it never comes early(its supposed to come between the 8th and 10th). I read online that it is possible to have periods during pregnancy, so could I be pregnant or is it just my period?