Helpppp

I had protected sex just now and the condom broke. I’ve taken two plan bs in year and I’m scared it won’t work. He says he didn’t nut either And I just jerked him off right now to see if he actually didn’t nut inside me but he didn’t. He nut a lot just now on his stomach and everything came out. What should I do I’m panicking rn!!! Should I get another plan b