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 ...

The charts that doctors use when assessing a baby's birth weight should take into account the mother's ethnicity, to better predict health problems after birth, a new study from Canada suggests. For ...

In the same pediatrician’s office, two little boys happen to have their 3-year-old well visit on the same day.

Like many new parents, you might be wondering if your baby is growing at a healthy rate. Questions like, "What is the average newborn weight?" or "How much should a 1-year-old weigh?" are common ...

“He’s going to be really tall!” exclaims your mother-in-law, watching your 2-year-old run in circles around the room. “How would you know?” you reply, attempting to protect him from the glass table.