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.

Science Proves You Can't Hold Your Baby Too Much

A new study shows that cuddling your baby (early and often!) has huge benefits when it comes to brain development, especially for preemies.

Your Guide to Baby's Weight Gain

Helping your baby steadily pack on the pounds during her first year of life can be tricky. Here's what to know about your baby's weight gain, how to make sure she's meeting doctor recommendations for food and weight in the appropriate month ranges, and how to keep her healthy and satisfied in the process.

The Stages of Sitting

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

Your Guide to Tummy Time

What is tummy time? After so many hours spent sleeping on their backs, babies need practice using their neck muscles. Here, learn the basics of this crucial activity, including when to start tummy time.

How Birth Order Shapes Personality

Oldest, middle, youngest, or only child? Where you are can shape who you are.

Your Baby's Development Week-By-Week

The first year of life is, to put it simply, amazing. Use our week-by-week info as a guideline for changes to look for during the first 12 months--but remember, every baby develops at his or her own pace.

Why Researchers Say Snuggling With Baby Has Lifelong Positive Effects

Need another excuse to cuddle with your baby? Science says so!

Quiz: What's Your Birth Order Personality?

It's no secret that birth order plays a role in how we do things, which career we choose, and how our relationships play out. Take this fun, 10-question quiz to see how your birth order personality matches up with your actual birth order.

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If Babies Could Text: Deep Thoughts

Babies might not be able to speak in coherent sentences yet, but that doesn't mean they're not full of profound ideas. These deep thought texts from babies prove you're never too young to ponder life's big questions.

Baby Milestones: Your Baby's First Month

Your baby may be sleeping a lot, but there are still plenty of milestones to be on the lookout for.

How Birth Order Affects Your Child's Personality and Behavior

Whether you're firstborn, middle child, last-born, or only child, birth order can have a big effect on your personality and behavior.

Ways to Help Baby Learn to Walk

From sitting to crawling and cruising your baby's journey to walking is an exciting time.

Baby Talk: A Month-By-Month Timeline

Eagerly awaiting baby's first words? As your little one grows and develops speech skills, babbles will turn into words. Follow our talking timeline to learn about this important child development milestone.

11 Fun Activities for Babies: 6 to 12 months

Help enhance your baby's growth with these development-boosting activities.

Signs of a Happy Baby

You probably learned the signs (and sounds) of an unhappy newborn early on. But the signs of happiness can be more mystifying. Baby doesn't even hit the first true happiness milestone, smiling, until after the first month! Here's how to tell if your tyke is feeling fine.

Is TV Really That Bad?

A little is okay; a lot is not. Here's how to tune in wisely with your kids.

Activities to Boost Cognitive Development: 3-6 Months

Try these simple activities to amp up your baby's brain power.

Why You Shouldn't Obsess About Milestones

When your child starts walking or using the potty doesn't matter as much as you may think it does.

Quiz: What's Your Baby's Personality Type?

Every baby has a distinct character that most likely matches one of the two main personality types: Type A (intense and highly motivated) or Type B (laid-back and content). Find out which type fits your tot!

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This Baby's Amazing Rock Star Tresses Are Giving Us Serious #HairGoals

Everytime we look at this baby's Kiss-inspired hair, it shocks us!

Signs Your Baby is Learning to Crawl

Is your baby rocking back and forth on her knees? She might be ready to take off, and crawl!

How to Massage Your Baby

Try these massage strokes to calm and connect with you baby.

Playing With Baby: Get Moving

A great way to encourage Baby to move is to surround him with toys on the floor. Here are some ideas to get your munchkin interested in crawling around.

Topics in Baby Development