Here's one of the first photos we ever got to see of Mac:
Isn't he an adorable little alien? It was taken at 8 weeks, 3 days.
And here are a few from 20 weeks, 1 day:
Sucking his thumb...
Smiling at the camera -- I think he's definitely morphed from "alien" to "skeletor."
And for those ultrasound aficianados:
His feet! (from the bottom, of course)