Please help! Period/pregnancy symptoms

Hey everyone,

So I’m currently out of the country on vacation and I’m having a lot of anxiety. I had unprotected sex on August 6th (he didn’t finish in me, but there was precum). Then, I got my period on August 8th. This wasn’t like my normal periods though, I bled for a little bit the first day and then brown blood (old blood) on the second and third days. I’ve read that brown blood is a sign of pregnancy, but it wouldn’t happen after just 2 days, right?

Anyways, I’ve generally been anxious this whole summer since I started being sexually actively. On my current trip, I’ve been so stressed about the possibility of pregnancy that I’ve been throwing up and feeling nauseous all the time. Also, I’ve been going to sleep super late since I’m out with my friends most of the time.

I’m hoping that someone can help ease my nerves, since I got my period after the sex. Although it wasn’t like normal, it was a period (with the all the crazy emotions and cramps).

All advice is welcome and appreciated. Thank you❤️