Paranoid or Pregnant?

My period can be a bit irregular but since I’ve been using this app my period has always been early or started the day it was predicted. I never have protected sex by my boyfriend does pull out every time. A couple days before my period was supposed to start I started cramping and just assumed that it was because my period is supposed to start, but now I’m two days late. I felt nauseas one day too, but I have anxiety disorders that can also make me nauseous so that could’ve just have been one of those acting up, my mood swings are worst but I usually have them and they get worst before my period, my boobs definitely look bigger but they aren’t sore or swollen, and idk but I’m definitely worried and I don’t know if I should worry after just being two days late or if I could really be pregnant.