Pregnant scares

Taffy • https://youtu.be/XnAxEnFCYd4
I'm little scared I had sex yesterday night 
It's was good but it was a really close call 
He pulled out but it was on my butt
I couldn't feel it but he got it off with a white shirt 
My period comes in 12 days so I should be fine right?.. 🤔😣😶
I have really bad anxiety just can't take my mind off I pretty sure he didn't