7 weeks!

I'm exactly or just about 7 weeks pregnant. I have a doctors appointment in 4 days and I'm so anxious and nervous but excited! I'm 21 this is my first pregnancy and I'm just nervous about having a miscarriage or having something go terribly wrong. That's the last thing I want so I've been taking prenatal vitamins for a week (since the day I found out) so that my baby is healthy and getting the nutrients that it needs.