Baby Milestones & Behavior

Learn how your baby's behavior changes each month during the first year, ways to connect with her, how to redirect bad behavior, and how to reward her when things go right.

How to Set Boundaries for Baby

Your curious baby delights in mangling your glasses and yanking the dog's tail. Steer clear of trouble and set boundaries for tiny explorers.

Month-by-Month Guide to Baby's Emotional Development

Your baby's emotional development will grow by leaps and bounds during this remarkable first year. She'll go from quiet observation to active participation. Here's what she's likely to do as she grows.

The First Time You Say "No" to Your Baby

Here's how one mom learned to discipline her infant.

When Does Discipline Begin?

An age-by-age guide to setting limits.

Discipline Tactics For Every Age

Discipline isn't punishment, and there's more than one way to correct your child's behavior--without yelling. Here's a tactic for every age.

8 Weird Stages of Baby's Development

Babyhood is full of Flip-worthy moments, like your child's first gummy smile, first spoonful of rice cereal, and first time rolling over. However, in between those adorable milestones are plenty of maddening ones, like the 3 a.m. wake-ups, the tears when you hand him to someone else, and the cascade of objects he hurls from his high chair. Learn what's behind eight common first-year stages -- and smart tricks to help your child get over them faster.

The Sweetest Baby Milestones (and When to Expect Them)

All milestones in Baby's first year are special, but some are especially sweet. Find out when to expect these developmental milestones and more.

Can You Spoil a Baby?

Sometimes you need to cater to your baby's every whimper; at other times, you need to let him figure things out on his own.

What to Expect Baby's First Week

Envisioning cozy nursing sessions in your new glider, visits from FOBs (friends of baby), and rocking your newborn to sleep? You'll get there, Mom! Use our guide so you aren't blindsided by feeling sore, sleepy, and a little weepy during those early days.

Hitting and Biting

Aggressive behavior is common at this age. Try these tactics to tame pushy toddlers.

6 Facts About Baby That Will Blow Your Mind

From the length of time it takes to adjust to life outside the womb to why she copies your behavior, here are six mind-blowing facts about your baby we bet you didn't know.

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.

Baby Milestones: Your Baby's Fourth Month

Sounds will interest your four-month-old a whole lot more, and she'll be making more sounds of her own.

Babies Love to Hear Themselves Talk (And That's a Good Thing!)

New research suggests that when babies are able to hear their own babbling, they want to make even more of it.

The Surprising Thing That Might Predict Baby's First Words

A new study looks at how visual cues can help predict what your baby's first words might be.

5 Binky Basics: What You Need to Know About Pacifiers

Everyone seems to have an opinion about pacifiers, but the latest research sets the record straight.

Your Baby From 7 to 9 Months: Crawling

Crawling gives baby a taste of independence -- and a new view of the world.

Your Baby's Behavioral Development: Month 11

Strength and skill help your 11-month-old move around on her own this month. Find out more about your baby's behavioral development.

Helping Baby Reach Physical Milestones

Babies need strength and coordination to grow into active toddlers. Here's what you can do to help them reach their major motor milestones.

When Should You Start Disciplining?

An age-by-age guide to setting limits.

Why Isn't My Child Reaching His Milestones?

Is your child the last kid on the block to develop motor skills, learn to talk, and achieve other milestones? Stop worrying. Chances are, he's just taking his own sweet time.

Emotions in the First Year

What's behind your baby's cries and coos.

Is Your Baby A Late Bloomer?

The range of when children take their first steps and utter their first words is huge -- and the number of late bloomers is greater than you might think.

Gentle Discipline for Babies and Toddlers

Life seems like one big science experiment for curious little ones -- but you can't always let them poke, prod, and pour. Here's how to keep them out of trouble.