Possible Pregnancy Scare? Please help

So I lost my virginity after my last period on the day that I got off my period. My period is now two days late and I'm flipping out and my mother is flipping out and I'm looking for advice. We used a condom and I asked him if anything leaked on accident and am waiting for a response. Ive also been under a lot of stress these past two weeks but I'm still worried, my periods are never late by more than a day. My mom says if I don't get my period by Friday then I have to take a pregnancy test but should I wait that long?

----Update----

I got my period finally, thank god