HELP ME PLEASE!!!!!!!! I NEED ANSWERS!!

I want to know what are the chances of me getting pregnant!! I had sex with my bf and there was a moment where we did it without a condom. He was no were near finishing and I was on my period.

It was only for like to minutes and I know it was irresponsible.

My period is supposed to come in 5 days but I just have the worst case of anxiety!!!!!!

Pls help a girl out!!