I'm a little freaked. Help?

I live with my boyfriend. We use condoms. And by we use condoms I mean that we use a condom EVERY SINGLE time because I suffered from a miscarriage last September and my ex was a cheating bastard and I haven't had the insurance to get an STI/STD check. We have only ever had one condom break on us and that was almost a year ago. Obviously I don't think I'm pregnant from that breakage. We've also never had a condom slip off during sex.

I had some bleeding much like my normal period but it only lasted three days over a week ago. My periods have been known to be pretty short anyways, but it was also slightly lighter. I am now in what should be the fertile week of my cycle. My boyfriend and I had sex last night and there was some bleeding during the sex. Hours later now the bleeding has started back up. It's light bleeding basically spotting. So I guess what I'm asking is should I be taking a pregnancy test when I wake up?