I'm going to be totally honest with you. Please believe it is out of a place of goodness and I'm not judging or trying to belittle you. It kinda upsets me when I hear things like this because I had a very hard time getting pregnant when I was young, and with help of fertility drugs I did manage to get pregnant. I had a really scary delievery and the baby and I almost died due to complications. We made it, but six months later I found out my baby had cerebal palsy. I was a young mother with no family support and knew nothing about
raising a handicapped child. My husband at the time divorced me cause he couldn't take it so now I really was alone. But I did it, it was hard very very hard. What I'm trying to say is, now that you are pregnant, you should feel blessed. I was never able to have anymore children.
If you were not sure you really wanted to have a baby then you should have used birth control. Having an abortion because you have changed your mind is sad and it is hard for me to feel for you. Now , that being said, get some family support, talk to a therapist, call a mental health facility, do something.