I feel horrible.

Does anyone ever feel like they should have had an abortion?  Are these normal feelings? I feel like having a baby at 18 is way to young and I should have waited until I got to experience more of an young adult-life. I've never been much of a party go-oer but I mean, more like travel the world, become more stable financially and so on.... I haven't felt like this before and now it's just hitting me today that I should have been more careful. All my friends are going somewhere or doing something and I can't do much because I'm almost 30 weeks pregnant.