Unprotected sex

Hey girls, I have a quick question. Me and my boyfriend had unprotected sex 2 days after my period. He’s not sure if he came in me or not. He was drunk and I was sober. And before anyone comes on here and says you probably should’ve used a condom, yes I know I should’ve. Anyway, I took plan B on my way home, however, 10 minutes after taking it, I threw up. So my question is, do you guys think I should be okay even if he did do it in me?