Is there a great chance I could be pregnant?

Victoria

My boyfriend and I had two rounds of unprotected sex and now I’m freaking out. He pulled out, but precum got inside me both times but he keeps telling me he’s “pretty sure” he did it in time. After it was all said and done I checked my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> and (according to Clue) it was on my exact ovulation day. So what are the odds I could be pregnant? I’m so scared and I have no clue what to do. I waited to long to get plan b.