pregnancy scare please help

i just need assurance. i recently found that you could get pregnant from precum and so my bf and i were camping and we ended up haveing sex twice in which i was intoxicates so i was not able to make sure everything was safe. the thing that worries me is that he came before we did it even tho we had a condom on both times. just worried somehow the precum could have gotten on the condom before we did it.