If your baby is "following the curve" of the growth ... chart running parallel to each other. The percentile lines include 5%, 10%, 25%, 50%, 75%, 90%, and 95%. (For more information, see the CDC ...

According to the US Centers for Disease Control and Prevention (CDC), the following could be the signs of developmental delay in an 18-month-old’s growth. Take your baby to a doctor right away ...