Yes honey you can get pregnant If you have your period that means you are ovulating which means you have eggs that can be fertilized by his sperm which means you can get pregnant you should really wait til you get older but if you are going to do it please make him put on a condom and make sure that he knows how to put on one and also before you have talk to your mom ok
DO NOT HAVE SEX! You're still a kid. And yes you can get pregnant. You're not old enough to think about sex or have sex, much less take care of a baby if you were to get pregnant. You're kids for God's sake! Keep it in your pants!