Today i found out im pregnant

So my period was 10 days late. Which I thought was due to stress but after a series of odd dreams last night I took a test and it came up pregnant. Having a baby was not on my agenda at all. I'm in a amazing relationship and he's super understanding and he told me the choice is mine. If I want to keep it he will be there and if I don't want to he understands. But I'm just at a toss up. I'm pro choice, but getting an abortion terrifies me, but so does having a baby when I'm not ready. We make good money together, so we'd be able to make it work. I just never seen myself being a mother, and I've never really wanted to be either. I just don't know what to do.