I should probably start off that I'm 18 years-old and a male. I've been with my girlfriend for some time now and she wants a baby. Note that we're seniors in high school. I have a pretty good education with an honor roll and I've been accepted into a University. I also want a child, but I wish to wait until college is finished so I can better support her and a child on top of it. I feel that if we have a child now, we wont be able to make that child happy and ultimately she and I will go separate ways. I've tried to talk to her, but she says I'm acting selfish, when I'm just trying to think in the best interests of a future family.
In reality, it is her that is being selfish! Stick your grounds! You are on the right track!
You are absolutely not being selfish in thinking of wanting to support your child properly with a good job and quality education. She is asking you to do something that is far outside of what you are comfortable doing, and you are nervous for good reason. You seem like you have a bright future ahead of you. Don't throw that away for something you don't feel ready for yet. Someday you will make a wonderful father, but part of being a wonderful father is setting an excellent example by doing things in the right order. Also, please take your protection into your own hands. Use condoms, since you cannot be sure that birth control she is responsible for taking is actually being done. While she is likely a wonderful girl, I also consider her the selfish one for putting you in such a horrible position. Stand your ground and know that, in a few short years, you will be set up so much better to care for a child.