Got Questions? We've got answers from experts and parents who've been there.
They don't need to be exactly the same, but the measurements should correspond closely. You'd expect a baby in the 60th percentile for height to be near the 60th for weight as well, for example -- and you wouldn't want your baby's percentile for weight to significantly exceed her height, which could indicate that he's becoming overweight. The new growth charts have an index that gauges whether an infant's weight correlates desirably with his height.
Originally published in the June 2001 issue of Parents magazine. Updated 2009.
The answers from our experts are for educational purposes only. Please always refer to your child's pediatrician and mental health expert for more in-depth advice.