pregnant?😟

I had sex for the first time about 2 weeks ago with a condom and he only cumed once. There was no blood or even much pain. However the other week I had brown discarge with spots of red but then no person then a day of insane stomach ace now I have a thick white discharge? I haven't had normal periods yet also due to my weight so they went reguar I'm always missing months but I'm late according tho this app by 2 days