Anatomy scan

June 20th is my anatomy scan and I am so excited to see my baby again and to find out what I am having but I am also super nervous. So far at my appointments everything has been fine, but I haven't had an ultrasound since 11 weeks and I can't help but worry that they are going to find something wrong at the scan. What if I have been growing my baby wrong this whole time and something is wrong. I hope everything is going to be fine but this is my first baby and I am so worried.