Q: My baby is small but my pediatric provider says she is "following the curve" so he is not worried. What does that mean? I'm still worried! A. If your baby is "following the curve" of the growth ...

So when the pediatrician whips out a growth chart and ranks baby's height and weight ... is at the 25th percentile for her age and gender, that means that out of a group of 100 girls her age ...

He says that physicians measure a baby's weight, height, or head circumference compared to others by using growth charts. A baby at the 99th percentile isn't necessarily unhealthy, but doctors check ...