Babies develop at very different rates, both physically and when reaching developmental milestones like sitting, walking or talking. That's why there's such a large range of what's considered normal ...

If you wonder how your body sizes up to others your age, it can help to compare to the average weight and height of teenagers. Keep in mind there are several factors that affect the average weight of ...

For decades, parents have viewed their child’s spot on the growth chart as if it were a grade on a test. But how useful are these diagrams, really, in communicating the state of your child’s health?