I am 16 and had sex for the first time, it was protected and i have had a period since then, however i am now about 6 days late on my period and although i have not had sex since i did have an occurance where i gave him a handjob and was not wearing underwear, what are the chances i could have gotten pregnant? Are there any other reasons it could be late? I also went away from home for 3 weeks last month and was living with a friend, could that have affected things?