So Me And My Gf Are Kinda Fairly New To

So me and my Gf are kinda fairly new to sex and tonight we had a scare because when i pulled out and finished we had realized that the condom had broken. But she is not really freaking out but i am. We are 16 and 17 and she just ended her period today. She is also on birthcontrol and i pulled out, But as you all know pulling out is not 100% guaranteed to prevent pregnancy she is also going to take plan B tomorrow morning. We had sex at 8:00pm and its 9:34 right now. Please hel[p me even if you don't know 100% the answer can you at least give me your opinnion thank you so much, I'm fucing freaking out