I have a almost 3 1/2 year old boy w/ CAH w/ a bone age that lags about 6-10 mos behind, he is small, he weighs about 31 lbs and is 38 inches, he has be 10% for ht and wt most of his life....he takes 1/2 cortef am, lunch, and pm, and he takes 1 florinef in the am. His levels have been good so far.martha