I was sexually active when I was your age and have to say I completely regret it. I wish now that I had waited until I met my husband to share it with only him. I only say this because I sense that you are a little unsure about having sex and seem nervous about unplanned pregnancy. As the others have mentioned you should take a pregnancy test, I just want to comment because I wish someone would have told me these things when I was your age. When you find the man that will love you and your child for ever it will be worth the wait.