Baby Month by Month

From first smiles to first teeth and beyond, find out how your baby learns and grows, month by month, during that precious first year.
A 1-Month-Old Baby
Baby Month 1
Congrats on the arrival of your beautiful new bundle of joy! Learn what to expect as your baby reaches 1 month old.
A 2-Month-Old Baby
Baby Month 2
Baby becomes wiggly this month and may even treat you to a smile. Learn more about your baby in month 2 and how to support his or her development.
A 3-Month-Old Baby
Baby Month 3
Baby's hands are her favorite toy right now. You may notice her staring, and grinning, at them often. Also up this month: Choosing childcare, if you're going back to work. Here's help!
A 4-Month-Old Baby
Baby Month 4
Your baby may hit some fun milestones this month—such as rolling over—and some not-so-pleasant ones (for him, at least), like teething.
A 5-Month-Old Baby
Baby Month 5
Communication is underway! Those raspberries your baby is blowing are just the start. Learn more about how your child's language is developing this month, plus how (and when) to start Baby on solid foods.
Baby Smiling
Baby Month 6
Those hands are becoming tools for Baby: Learn how he's using them differently, and what that means for his safety. Plus, get tips for dining out as a family. (It's possible!)
Baby Boy on a Blanket
Baby Month 7
Go Baby, go! As your child becomes more mobile, up go the baby gates and cord covers. Learn more about keeping your home safe, plus how to keep separation anxiety under control.
Babies in Swings
Baby Month 8
Just when sleeping through the night became a reality, Baby's growing physical skills begin interrupting her (and your!) shut-eye. Read more about motor development, sleep issues, and play ideas for this month.
Baby and Mom Outside
Baby Month 9
Crawling, climbing, and pulling up are big possible milestones this month. Learn what to expect from Baby's motor development and how you can safely give her room to explore.
Baby Hiding Under Blanket
Baby Month 10
Whether your baby scoots, crawls, or walks—or would rather just watch other babies—this month his brain is going full speed, for sure. Learn about Baby's complex understanding of object permanence and signaling.
Mom and Baby Window Shopping
Baby Month 11
Slowly but surely, your loner baby is becoming a playmate. Learn all about her entry into parallel play, her increased mobility, and why reading to her now is so important.
Toddler Pushing a Toy
Baby Month 12
The end of baby's first year brings about some special milestones. Find out what you need to know about your baby's development and milestones in the 12th month.
Toddler Boy Kicking Ball
Toddler Month by Month
Oh, the wonders of toddlerhood! How fantastic is it that toddlers seem to learn something new everyday? Find out what developmental milestones to expect from your toddler each month, from talking to tantrums. Mamas, start your engines...
Your crash-course in all things baby.