Curious..??

Soo me and my bf had sex earlier, we did foreplay first then oral sex until we both orgasm and then actual sex (but he didnt cum this time). When I opened my Glow app I had a notif saying I'm ovulating today. Is there a possibility I might get pregnant after he cummed during oral sex, but wipe it all off then actual sex?? I'm not on BC nor we use condom, we've only been doing the pull-out method. 
P.S. I swallowed his cum while doing oral then he wiped excess off before actual penetration.