My cycles are ever 21 days and I ovlate on the 2 day after my period ends. So is that mean I'm pregnant

Hi my name is Amber, So me and my boyfriend have been together for 4 1/2 yrs and have been intament a couple of times. This last time we were sexually active we didn't use a condom because we're trying for a baby :) we had sex a on my period. And am wondering if there still a chance I'm pregnant. Be...