I have sex on a daily basis w my bf but we usually use the pull out method wich has been working so far but on dec 30 2012 , january 7 and january 11 we did not "pullout" and he came inside me all 3 times my period usually comes at the end of the month so I dont know yet about a missed period ive been having every symptom craps, small bleeding, urinating often, naseau, trowing up, getting tired easily etc... but today january 14 I took a pregnancy test and it came out negative and its been 15 days since he first came in me and well I was almost sure it would have came out positive but it didnt does this mean im not pregnant or maybe dat I cant get pregnant please any advice let me know ????