Pro-choice. 

I really don't want to waste a lot of words on this, but forcing people who aren't ready to be parents to be parents is a bad childhood recipe. Also, congratulations you are now a single teen mom. Abortion isn't an easy choice or procedure for that matter; it involves a lot of emotions and guilt. Having a child is a big decision (not to mention responsibility) you should make consciously because it will turn your entire life upside down. If you're not up to that task, who will be?