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Baby Development

Baby Development Delays

baby holding ear and looking at camera
Warning signs of a developmental delay
Reviewed by Liz Donner, M.D., pediatric hospitalist
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Social & Emotional Development

Mom and baby video chatting with a grand mother
When do babies start remembering faces and things?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
mom holding screaming baby
What is stranger anxiety?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby looking up at camera with adults in background
How much interaction and playtime does a baby need?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
Grandmother bottle feeding a baby
When can my baby stay overnight without me?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
straight face baby
When do babies smile?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
Startle reflex in a baby
The startle reflex in babies
Reviewed by Dawn Rosenberg, M.D., pediatrician
baby laughing
When do babies laugh?
Reviewed by Chandani DeZure, M.D., FAAP, pediatric hospitalist
Mom and a baby bonding
When do babies learn their name?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
mother and baby laughing while she is holding the baby up high
How to raise a happy baby
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
crying little girl surrounded by toys sitting on bed
Separation anxiety: When it starts and peaks
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
little boy with pacifier hugging his stuffed toy
Loveys: Blankies, bears, and other comfort objects for kids
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
7 simple ways to boost your baby's emotional IQ
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woman talking
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How should I handle separation anxiety?
Reviewed by Lee Atkinson-McEvoy, M.D., pediatrician
woman talking
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Should I adjust my parenting to match my child's temperament?
Reviewed by Susan Bartell, PhD, psychologist
Brandi Riley, influencer activist, mom of 2
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How to raise an anti-racist baby
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Physical Development

baby's head measured with a tape measure
Measuring your baby's head circumference, length, and weight
Reviewed by Dawn Rosenberg, M.D., pediatrician
newborn having head measured at hospital
Baby head circumference
Reviewed by Dawn Rosenberg, M.D., pediatrician
baby being held up and stiffening arms
Why does my baby stiffen their legs and arms?
Reviewed by Liz Donner, M.D., pediatric hospitalist
baby inside a crib holding on to the side and smiling
Baby milestones month by month
Reviewed by Chandani DeZure, M.D., FAAP, pediatric hospitalist
infant being weighed on scale
Baby growth charts, explained
Reviewed by Dawn Rosenberg, M.D., pediatrician
baby girl lying on her back smiling
What to know about baby growth spurts
Reviewed by Liz Donner, M.D., pediatric hospitalist
happy baby on tummy pushing up on their hands
When do babies push up on their hands?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
A baby walking from one parent to another
Are baby walkers safe?
Reviewed by Liz Donner, M.D., pediatric hospitalist
A baby sitting in a shopping cart seat in front of a produce aisle
Can you put a car seat in a shopping cart?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
Toddler trying to climb the stairs
When do babies start climbing stairs?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
Teething baby chewing on a chew toy
What are gross motor skills and fine motor skills?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
cartoon image of baby on weight scale, with measuring tape around its head
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Growth charts and your baby's first year
Reviewed by Dawn Rosenberg, M.D., pediatrician
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Your Baby's Developing Senses

baby looking ahead intently
Your baby's sense of sight
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby in a field smelling flower
Your baby's sense of smell
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby eating in a high chair with food all over her face
Your baby's sense of taste
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
young child with hand on a piano
Baby hearing development
Reviewed by Hearing First
baby reaching over and touching dad's lips
Your baby's sense of touch
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
toddler eating and making a mess
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How your baby's sense of taste develops
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby in warm pajamas being held
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Your newborn's senses
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
child holding blocks
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Your baby's senses
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
toddler in sweater playing with blocks
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How your baby's sense of sight develops
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
child feeling a comb
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How your baby's sense of touch develops
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
toddler in sweater
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How your baby's sense of hearing develops
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby smiling at a flower
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How your baby's sense of smell develops
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist

Your Baby's Developmental Milestones

Mom measuring her son's height with a ruler
Average weight and growth chart for babies, toddlers, and kids
Reviewed by Dawn Rosenberg, M.D., pediatrician
smiling baby on blanket trying to roll over
When do babies roll over?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
baby sitting up and leaning forward on blanket outside
When do babies sit up?
Reviewed by Dawn Rosenberg, M.D., pediatrician
baby laying on tummy with head up smiling
When do babies hold their head up?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
baby reaching and grabbing dangling toys
When do babies start grabbing things?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
older baby happily standing on their own
How your baby becomes independent
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby scooting on bottom
When do babies start scooting?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
baby talking on toy telephone
When do babies start talking?
Reviewed by Liz Donner, M.D., pediatric hospitalist
1-year-old crawling on couch with mom watching
When do babies start understanding words?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby girl clapping
When do babies clap, wave, and point?
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
A woman holding a smiling baby
Your child's talking timeline
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby standing by leaning on toy box
When do babies stand?
Reviewed by Chandani DeZure, M.D., FAAP, pediatric hospitalist
curly haired baby crawling in grass
When do babies start crawling?
Reviewed by Liz Donner, M.D., pediatric hospitalist
dads with babies holding their hands to help them walk
When do babies start walking?
Reviewed by Liz Donner, M.D., pediatric hospitalist
A baby in diapers standing and leaning on wall
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Baby on the move: Cruising
Reviewed by Chandani DeZure, M.D., FAAP, pediatric hospitalist
woman kissing baby's feet while baby is laying on the bed
How your baby and child learns social skills
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
Navigating baby's transitions
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woman's hands holding open page of book with baby image
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Favorite unofficial baby milestones
smiling baby sitting in pajamas
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Baby on the move: Sitting
baby with long hair crawling on carpet
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Baby on the move: Crawling
woman talking
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Comparing my child to others
woman talking
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My baby's first word
A healthcare professional weighing a toddler while their parent holds their hand
Growth chart: Baby weight and height percentile calculator
Reviewed by Dina DiMaggio, M.D., pediatrician

Latest in baby development

young child with hand on a piano
Baby hearing development
Reviewed by Hearing First
A healthcare professional weighing a toddler while their parent holds their hand
Growth chart: Baby weight and height percentile calculator
Reviewed by Dina DiMaggio, M.D., pediatrician
baby girl lying on her back smiling
What to know about baby growth spurts
Reviewed by Liz Donner, M.D., pediatric hospitalist
7 simple ways to boost your baby's emotional IQ
- Ad content for First 5 California -
smiling baby on blanket trying to roll over
When do babies roll over?
Reviewed by Shawnté James, M.D., neonatal and pediatric hospitalist
newborn having head measured at hospital
Baby head circumference
Reviewed by Dawn Rosenberg, M.D., pediatrician
A baby's hand
Teaching your baby sign language
Reviewed by Kelley Yost Abrams, Ph.D., developmental psychologist
baby talking on toy telephone
When do babies start talking?
Reviewed by Liz Donner, M.D., pediatric hospitalist

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