Right i had sex with my gf can she get pregnant if I wore Condom and did not ejaculate in her vagina, ?

I pulled my private out den I took da condom off And i ejaculate on her chest. I don't know if She's having pregnancy signs is having a cold and coughing headache And dizzy-ness. one of them. Where young and I dnt want a baby yet >< plss reply ASAPz