scared to death

Just found out I'm pregnant. 5 weeks. I was on birth control but I guess that didn't work.  I'm 21, he's 22. He doesn't want kids for another 5 years and I can't ever go through another abortion. I don't know what to do or what to think. I mean, we've got our own place. We both have good jobs with steady incomes. We've been together for a year and a half. I'm just so scared, what should I do?