What should I do

E💓

Me and my boyfriend had unprotected sex, I’m on the pill but my <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period app</a> says “my fertile window is open” we’re not 100% sure if he came in me because AS he pulled out he came if you get me... I don’t know what to do?!?!!