...quick question.? I didnt have unprotected sex but there as a time where body fluids could have been exchanged. no penetration. this was august first. i got test at the begin of DEC. and im negative. im clean. can i trust the results? i know there is a window period... my ex partner has been to the doc n says he is clean n is pretty open about stuff.. but i jsut wanna be sure. august 1st was the last time i had sex as well.