i had sex with my boyfirend 4 times on the 25th and 1 time the 26th and it was unprotected and he didnt pull out. and today is the 27th. is it possible for me to get pregnant. im wondering because i started my period today but everyone is telling me that my period dont matter if it was recent. and my periods r not regular most of the time. could u please help me out? im only 17 (almost).