Re: Just for fun (for mamas w/ boys)..
I don't have measurements for exactly 4 months but at 3 months and 1 week old he was 12 1/2 pounds and 23 1/2 inches long.
At birth, he was 6lbs, 5oz and was 17 inches long.
Now, at 16mo he's 18lbs, 11oz. and 28 inches long.