I havent gotten my period for over 3wks now, and im really scared..my bf and i had played around but he didnt come in me..his penis came in like 2cm and out and thats it...im still a virgin for i know, he is my first, however i havent gotten my period now and i am pretty scared....i did 2 home pregnancy tests and negative and also a blood test which came back negative, whats wrong, could i be pregnant or no?