please help me

Im 17, my cyle is mostly 25-27 days. June 11 i got my period, june 18 i lost my virginity to my boyfriend. He pulled out then he finished. Am i scared. We got carried away i forgot it was my 1st day of being fertile. Can i be pregnant. Does any one vecame pregnat with pre ejaculation? Iam on regular cycle and 2 days from now i will get my period.