hi im 17 and have been spotiin on and off since of jan very very light and it comes and goes so me and my boyfriend have been having unprotected sex since jan 12 and i was suppose to get my period on the 15 i never did so the last time we had sex was the 21 and he came inside of me so i took a pregnancy test and it came out negative so it is now jan 29 and still no period can i be pregnant ne one plz??? or is it to soon to tell/???? any advice is usefull thnx