Please don’t judge I’m only trying to figure out what’s going on..

So I’m so curious I had unprotected sex with my boyfriend, I obviously know the consequences of unprotected sex...

Sooo we had unprotected sex the day the app says I was ovulating well the first day, he didn’t cum inside but around I’m not sure if cum went in because he pulled out and gave himself a handjob to cum, but our bodies were close when I jumped off I had cum all over, I’ve been feeling a bit off lately, I’ve been really tired , I layed down and my back hurts( but it kinda always hurts) and when I was in the shower today I was feeling a bit dizzy seeing flashes... my mom called me and asked if I was pregnant out of no where I’m just confused can i be pregnant? I’m suppose to get my period in 7 days, and I’ve also been getting really sticky cm, which I know Can also be normal...