PLEASE HELP

I'm kind of freaking out I just had my period but it was very unnormal. I didn't have any cramps or breast tenderness which I usually get a lot of, and it was super light and short only lasted about 2 1/2 days when my usual cycle last about 5-7. Could I be pregnant? 
To add to this a little background my fiancé and I always use a condone and he always pulls out before he ejaculates. I know I'm probably freaking out over nothing but right now is just not the right time for a pregnancy for us.
 When should I test