Im a 21 year old virgin..with a past of PCOS..but ever since my new diet and weight loss from it. i have got my periods regularly from February.. and the past two months on the same day..but this month..while it was supposed to come on the 25th..and today been the 28th here...i have not got it...im feeling nauseous and not quite right..the day before (24th) and the day (25th) me and boyfriend were fooling around and his erected part may have touched me down under for some time..and his fluid could have been on his fingers when he touched me there as well..i have been reading these online help info's and they are not really that helpful for my question...cuz they say theres a chance....so could i be pregnant??? Is there a chance i can be? Please help