Somewhere you mentioned a website where there was something to download for resizing, but I cant remember where you posted it, do you remember the site?
The rule of thumb is that a baby should triple his birth weight, by one year old. They all develop, at their own speed, though.
Everyone was concerned, that Mark wasn't walking. I told them that he would walk, when he was darned good and ready. One morning, at 16 mos., he got up and toured the house. After that, I was ready to break his legs - he was into everything.
Me eldest Steven didn't take his first step till he was 22 months old.... *yikes* That was a little scary cause we were beginning to wonder. Turns out he outwitted his mom. He just loved being carried around everywhere and figured: if she is foolish enough to do it. why should I even try?????
It worked....
Nicolas took his first steps at 16 months (which is still old enough) but there was no way he was going to convince me he also needed to wait till he was 22 months!