Af & BFP??? TTC please help!

Taylor
Have any of you had what you thought was af then gotten a BFP?? 
I started what I'm assuming is af on Thursday which was a few days sooner than expected and it wasn't very heavy like it usually is. Also, I stopped bleeding on Sunday but just started bleeding a little again this morning. I had a early m/c the beginning of April and ovulated around the 21st of April...