My Fiance and i have had unprotected sex and well i missed my period by 2 days and then i had some light bleeding that was brown,(never had that before) so i m just wondering could this be a sign of pregnancy , idk if i should wait it out or wat ....i need some kinda info before i spend the money on the pregnancy tests ,just so i know im not imagining things, please please please please help some kind of information.

Thanks,