My boys both stopped growing when they were a bit over a year old, probably around 14 months old. I too would like to know the size of your little one 

 Mine are pretty teeny - 5 lbs 6 oz and 4 lbs...but I would love a big one just the same! I actually used to think they got bigger than mine did, but I couldn't care less, just as long as they are healthy and happy 
