Sex with a condom

Ik this May sound dumb but i had sex the 12 of April basically he was on top we used a condom told him to pull out before he came and he did but he came a little in the condom my period starts on the 22 of April its not possible for me to be pregnant right because we bought a new condom right before we did it and used the pull out method as well so that’s two birth control methods that we used... anyone have answers why i haven’t got my period yet ?