Well im 19 i had unprotected sex with my boyfriend..the pull out method actually on the 9 march 2009. adn after that i started having sore breast well just the nipples. cramps for my period which is too early and well fatigue. i last had my period the rend of febuary. i done keeo track of my period which i knwo is bad. but i usually have my period at the end of every month around the 20 or so. then i started my what i thought was my period yesterday it was just a bit thought then it would stop and like another 5 hours a bit more. this morning when i woke up i had a regular period bleeding. so im wondering am i pregnant? please help me. thank you

If you have your period it is unlikely. You should go to a doctor and find out what is going on as irregular periods can be symptoms of other illnesses.
DON'T use the pull out method, the guy doesn't have to actually ejaculate for you to get pregnant... ask your doctor about safe sex.