Late period....

Okay, I need reassurance. 
I had sex with my boyfriend about 5 days ago and he went in like two times without a condom. I had given him a blow job prior so he wasn't really precumming anymore. According to <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a> my period is late and I'm worried when his penis went in for like two thrusts....... 
I'm Kind of nervousness about it and I don't feel comfortable sharing the information with anyone else bc I don't want to freak anyone out. 
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