Help, asap

So february 23, i took a plan b pill. It gave me side effects, blah blah & so my period came around March 6, which was 9 days early that it was expected. My ex partner and i had sex while i was on my period, we used a condom, it did not break but he came inside the condom... Then a few days after that, we had sex again, but we didn't use a condom for like 3 min but that was it. The next week after that, we had sex again, he didn't use the pull out method, he came in my mouth. Could i be pregnant ?