Baby Development

Your baby's physical development is a thing of beauty and a source of pride. From sitting to crawling, walking to talking, smiling to laughing, each achievement is a developmental milestone. Learn what to expect next in your baby's physical and intellectual development.

Most Recent

This Is Why Babies Avoid Grass—and the Cutest Videos Ever Proving It's True

Babies and grass go together like—well, actually, they don't go together at all but it's still hilarious to watch them try and get along in these viral videos.

How to Help Your Kid Deal With the Disappointment of Not Having a Sibling

Kids may ask for a younger sister or brother at various phases of life. Here's how to support them through the disappointment of not having a sibling when they really want one.

5 Ways to Boost Your Baby's Brainpower

These simple activities will help nurture your little one's growth and will help you connect too.

When Do Babies Start Walking?

If your little one has been crawling and cruising, you may wonder when she'll take her first steps. Here, experts break down the stages of walking, and they explain when most babies start moving on two legs.

Baby Milestones by Month

Your baby’s first year is full of developmental milestones. Here, we’ve broken down what to expect each month. It’s important to remember, though, that every baby develops at a different pace, and there’s a wide range of normal timelines.

My Daughter Grew Up Before My Eyes When She Became a Big Sister, and I Wasn't Ready

My 3-year-old went from being a baby to a big kid right when I walked through the front door with my newborn. She was ready to be a big sister, but it was a transition I learned that I wasn't prepared for.
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More Baby Development

What Exactly Does Hip Dysplasia Mean for Babies?

In babies with hip dysplasia, the ball of the thigh bone doesn’t fit properly into the socket of the pelvis. Here’s what you need to know about this relatively common condition.

5 Major Ways Babies Change When They Become Toddlers and How to Prepare

Starting at 12 months, your baby is officially considered a toddler. And ready or not, things are going to change after that epic first-birthday cake smash. Here’s how.

6 Weird Things Babies Do and Why

Whether it's touching themselves "down there" or producing never-ending fake coughs, understand your little ones' most peculiar habits.