I had unprotected sex on the 3rd of october and i ovulated on the 4th my boyfriend was on top of me.Can i get pregnant its been four days now and i did a pregnancy test monday and tuesday but it came back negative how long should i wait to test if i am pregnant?or what are my chances of getting pregnant?Im still waiting to see if my period will come i have a regular 28 days cycle and i was fertile for four days(october 01-04, 2008) and on the fourth i ovulated.