i had my last period on dec. 31 2009. its the 22nd of january and im not due for my next periond for another 10-12 days. my fiancee and i do have unpertected sex. im wondering if im pregnant because i've been getting headaches im sometimes dizzy and nauseous, a couple days ago i started craving peanut butter and pickles i even wanted a pickle and cheese sandwich. also my breast are very sore and look like they have gotten darker i feel bloated and i've been so tired lately.i've also been constipated and was spotting on the 14th is it too early for me too think im pregnant?