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.

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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.

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.

More Baby Development

Baby Sign Language Made Easy: 50 Words With Animations

Before you can to teach your baby sign language, the first person that has to learn to sign is you! From basic words like “mommy” and "more" to more complex ones like “stroller,"  this slideshow of animated signs has every word baby needs. Consider it your dummy-proof sign language dictionary.

The Stages of Sitting

Watching your baby gain independence is exciting. A major accomplishments every parent looks forward to is when he can sit on his own. Pediatrician Kurt Heyrman, M.D. says there are ways that you can help Baby gain these large motor skills and help him sit on his own. Here's how.

When Your Baby Pulls, Tugs, and Pinches

Learn how to handle your curious baby's roving hands.