Att_D LTSAE Milestone Moments Booklet

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Milestone Moments
Learn the Signs. Act Early.

You can follow your child’s development by watching how he or
she plays, learns, speaks, and acts.
Look inside for milestones to watch for in your child and how you
can help your child learn and grow.

Centers for Disease
Control and Prevention

www.cdc.gov/milestones
1-800-CDC-INFO

Milestone Moments
How your child plays, learns, speaks, and acts offers
important clues about your child’s development.
Developmental milestones are things most children
can do by a certain age.

The lists that follow have milestones to look for when your child is:

2 Months................................................................	page	 3 – 6
4 Months................................................................	page	 7 – 10
6 Months................................................................	page	 11 – 14
9 Months................................................................	page	 15 – 18
1 Year......................................................................	page	 19 – 22
18 Months (1½ Years)............................................	page	 23 – 26
2 Years....................................................................	page	 27 – 30
3 Years....................................................................	page	 31 – 34
4 Years....................................................................	page	 35 – 38
5 Years....................................................................	page	 39 – 42

1

Learn the Signs. Act Early.

Check the milestones your child has reached at each age.
Take this with you and talk with your child’s doctor at every
visit about the milestones your child has reached and what to
expect next.

For more information,
go to www.cdc.gov/milestones

www.cdc.gov/milestones | 1-800-CDC-INFO

2

Your Baby at 2 Months
What babies do
at this age

Social/Emotional
q	 Can briefly calm himself
	 (may bring hands to mouth and
	 suck on hand)

q	 Begins to smile at people
q	 Tries to look at parent

Language/Communication
q	 Coos, makes gurgling sounds

q	 Turns head toward sounds

Cognitive (learning, thinking, problem-solving)
q	 Pays attention to faces
q	 Begins to follow things with eyes
	 and recognize people at a distance

3

q	 Begins to act bored (cries, fussy)
	 if activity doesn’t change

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your baby’s development
➔	 Cuddle, talk, and play with your baby during feeding, dressing, and bathing.
➔	 Help your baby learn to calm herself. It’s okay for her to suck on
	 her fingers.
➔	 Begin to help your baby get into a routine, such as sleeping at night more
	 than in the day, and have regular schedules.
➔	 Getting in tune with your baby’s likes and dislikes can help you feel more
	 comfortable and confident.
➔	 Act excited and smile when your baby makes sounds.
➔	 Copy your baby’s sounds sometimes, but also use clear language.
➔	 Pay attention to your baby’s different cries so that you learn to know what
	 he wants.
➔	 Talk, read, and sing to your baby.
➔	 Play peek-a-boo. Help your baby play peek-a-boo, too.
➔	 Place a baby-safe mirror in your baby’s crib so she can look at herself.

www.cdc.gov/milestones | 1-800-CDC-INFO

4

Your Baby at 2 Months

Movement/Physical Development
q	 Can hold head up and begins
	 to push up when lying on
	tummy

q	 Makes smoother movements
	 with arms and legs

Act early by talking to your child’s doctor if your child:
q	 Doesn’t respond to loud sounds

q	 Doesn’t bring hands to mouth

q	 Doesn’t watch things as they move

q	 Can’t hold head up when pushing
	 up when on tummy

q	 Doesn’t smile at people

5

Learn the Signs. Act Early.

How you can help your baby’s development
➔	 Look at pictures with your baby and talk about them.
➔	 Lay your baby on his tummy when he is awake and put toys near him.
➔	 Encourage your baby to lift his head by holding toys at eye level in front of him.
➔	 Hold a toy or rattle above your baby’s head and encourage her to reach for it.
➔	 Hold your baby upright with his feet on the floor. Sing or talk to your baby
	 as he is upright.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

6

Your Baby at 4 Months
What babies do
at this age

Social/Emotional
q	 Smiles spontaneously, especially
	 at people

q	 Likes to play with people and
	 might cry when playing stops

q	 Copies some movements and
	 facial expressions, like smiling
	 or frowning

Language/Communication
q	 Begins to babble
q	 Babbles with expression and
	 copies sounds he hears

7

q	 Cries in different ways to show
	 hunger, pain, or being tired

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your baby’s development
➔	 Hold and talk to your baby; smile and be cheerful while you do.
➔	 Set steady routines for sleeping and feeding.
➔	 Pay close attention to what your baby likes and doesn’t like; you will
	 know how best to meet his needs and what you can do to make your
	 baby happy.
➔	 Copy your baby’s sounds.
➔	 Act excited and smile when your baby makes sounds.
➔	 Have quiet play times when you read or sing to your baby.
➔	 Give age-appropriate toys to play with, such as rattles or colorful
	pictures.
➔	 Play games such as peek-a-boo.
➔	 Provide safe opportunities for your baby to reach for toys and explore
	 his surroundings.
➔	 Put toys near your baby so that she can reach for them or kick her feet.

www.cdc.gov/milestones | 1-800-CDC-INFO

8

Your Baby at 4 Months

Cognitive (learning, thinking, problem-solving)
q	 Lets you know if she is happy
	 or sad

q	 Follows moving things with eyes
	 from side to side

q	 Responds to affection

q	 Watches faces closely

q	 Reaches for toy with one hand

q	 Recognizes familiar people and
	 things at a distance

q	 Uses hands and eyes together,
	 such as seeing a toy and
	 reaching for it

Movement/Physical Development
q	 Holds head steady, unsupported
q	 Pushes down on legs when feet
	 are on a hard surface
q	 May be able to roll over from
	 tummy to back

q	 Can hold a toy and shake it and
	 swing at dangling toys
q	 Brings hands to mouth
q	 When lying on stomach, pushes
	 up to elbows

Act early by talking to your child’s doctor if your child:
q	 Doesn’t watch things as they move
q	 Doesn’t smile at people
q	 Can’t hold head steady
q	 Doesn’t coo or make sounds

q	 Doesn’t push down with legs
	 when feet are placed on a
	 hard surface
q	 Has trouble moving one or both
	 eyes in all directions

q	 Doesn’t bring things to mouth

9

Learn the Signs. Act Early.

How you can help your baby’s development
➔	 Put toys or rattles in your baby’s hand and help him to hold them.
➔	 Hold your baby upright with feet on the floor, and sing or talk to your
	 baby as she “stands” with support.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

10

Your Baby at 6 Months
What babies do
at this age

Social/Emotional
q	 Knows familiar faces and begins
	 to know if someone is a stranger

q	 Responds to other people’s
	 emotions and often seems happy

q	 Likes to play with others,
	 especially parents

q	 Likes to look at self in a mirror

Language/Communication
q	 Responds to sounds by making
	sounds
q	
	
	
	

11

Strings vowels together when
babbling (“ah,” “eh,” “oh”) and
likes taking turns with parent
while making sounds

q	 Responds to own name
q	 Makes sounds to show joy and
	displeasure
q	 Begins to say consonant sounds
	 (jabbering with “m,” “b”)

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your baby’s development
➔	 Play on the floor with your baby every day.
➔	 Learn to read your baby’s moods. If he’s happy, keep doing what you are
	 doing. If he’s upset, take a break and comfort your baby.
➔	 Show your baby how to comfort herself when she’s upset. She may suck
	 on her fingers to self soothe.
➔	 Use “reciprocal” play—when he smiles, you smile; when he makes 		
	 sounds, you copy them.
➔	 Repeat your child’s sounds and say simple words with those sounds.
	 For example, if your child says “bah,” say “bottle” or “book.”
➔	 Read books to your child every day. Praise her when she babbles and
	 “reads” too.
➔	 When your baby looks at something, point to it and talk about it.
➔	 When he drops a toy on the floor, pick it up and give it back. This game
	 helps him learn cause and effect.
➔	 Read colorful picture books to your baby.

www.cdc.gov/milestones | 1-800-CDC-INFO

12

Your Baby at 6 Months

Cognitive (learning, thinking, problem-solving)
q	 Looks around at things nearby

q	 Brings things to mouth

q	 Shows curiosity about things
	 and tries to get things that are
	 out of reach

q	 Begins to pass things from one
	 hand to the other

Movement/Physical Development
q	 Rolls over in both directions
	 (front to back, back to front)
q	 When standing, supports weight
	 on legs and might bounce

q	 Begins to sit without support
q	 Rocks back and forth, sometimes
	 crawling backward before
	 moving forward

Act early by talking to your child’s doctor if your child:
q	 Doesn’t try to get things that are
	 in reach

q	 Doesn’t make vowel sounds
	 (“ah”, “eh”, “oh”)

q	 Shows no affection for caregivers

q	 Doesn’t roll over in either
	direction

q	 Doesn’t respond to sounds
	 around him
q	 Has difficulty getting things to 		
	mouth
q	 Seems very floppy, like a rag doll

13

q	 Doesn’t laugh or make squealing
	sounds
q	 Seems very stiff, with tight
	muscles

Learn the Signs. Act Early.

How you can help your baby’s development
➔	 Point out new things to your baby and name them.
➔	 Show your baby bright pictures in a magazine and name them.
➔	 Hold your baby up while she sits or support her with pillows. Let her look
	 around and give her toys to look at while she balances.
➔	 Put your baby on his tummy or back and put toys just out of reach.
	 Encourage him to roll over to reach the toys.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

14

Your Baby at 9 Months
What babies do
at this age

Social/Emotional
q	 May be afraid of strangers

q	 Has favorite toys

q	 May be clingy with familiar adults

Language/Communication
q	 Understands “no”
q	 Makes a lot of different sounds
	 like “mamamama” and
	“bababababa”

15

q	 Copies sounds and gestures
	 of others
q	 Uses fingers to point at things

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your baby’s development
➔	 Pay attention to the way he reacts to new situations and people; try to
	 continue to do things that make your baby happy and comfortable.
➔	 As she moves around more, stay close so she knows that you are near.
➔	 Continue with routines; they are especially important now.
➔	 Play games with “my turn, your turn.”
➔	 Say what you think your baby is feeling. For example, say, “You are so sad,
	 let’s see if we can make you feel better.”
➔	 Describe what your baby is looking at; for example, “red, round ball.”
➔	 Talk about what your baby wants when he points at something.
➔	 Copy your baby’s sounds and words.
➔	 Ask for behaviors that you want. For example, instead of saying
	 “don’t stand,” say “time to sit.”
➔	 Teach cause-and-effect by rolling balls back and forth, pushing toy cars
	 and trucks, and putting blocks in and out of a container.

www.cdc.gov/milestones | 1-800-CDC-INFO

16

Your Baby at 9 Months

Cognitive (learning, thinking, problem-solving)
q	 Watches the path of something
	 as it falls

q	 Moves things smoothly from
	 one hand to the other

q	 Looks for things he sees you hide

q	 Picks up things like cereal o’s
	 between thumb and index finger

q	 Plays peek-a-boo
q	 Puts things in her mouth

Movement/Physical Development
q	 Stands, holding on	

q	 Can get into sitting position

q	 Sits without support	

q	 Pulls to stand

q	 Crawls

Act early by talking to your child’s doctor if your child:
q	 Doesn’t bear weight on legs
	 with support
q	 Doesn’t sit with help
q	 Doesn’t babble
	 (“mama”, “baba”, “dada”)
q	 Doesn’t play any games involving
	 back-and-forth play

17

q	 Doesn’t respond to own name
q	 Doesn’t seem to recognize
	 familiar people
q	 Doesn’t look where you point
q	 Doesn’t transfer toys from one
	 hand to the other

Learn the Signs. Act Early.

How you can help your baby’s development
➔	 Play peek-a-boo and hide-and-seek.
➔	 Read and talk to your baby.
➔	 Provide lots of room for your baby to move and explore in a safe area.
➔	 Put your baby close to things that she can pull up on safely.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.
The American Academy of Pediatrics recommends that all children be
screened for general development at the 9-month visit. Ask your child’s
doctor about your child’s developmental screening.

www.cdc.gov/milestones | 1-800-CDC-INFO

18

Your Child at 1 Year
What children do
at this age

Social/Emotional
q	 Is shy or nervous with strangers
q	 Cries when mom or dad leaves
q	 Has favorite things and people
q	 Shows fear in some situations
q	 Hands you a book when he wants
	 to hear a story

q	 Repeats sounds or actions to
	 get attention
q	 Puts out arm or leg to help with
	dressing
q	 Plays games such as
	 “peek-a-boo” and “pat-a-cake”

Language/Communication
q	 Responds to simple spoken
	requests

q	 Says “mama” and “dada” and
	 exclamations like “uh-oh!”

q	 Uses simple gestures, like shaking
	 head “no” or waving “bye-bye”

q	 Tries to say words you say

q	 Makes sounds with changes in
	 tone (sounds more like speech)

19

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Give your child time to get to know a new caregiver. Bring a favorite toy,
	 stuffed animal, or blanket to help comfort your child.
➔	 In response to unwanted behaviors, say “no” firmly. Do not yell, spank,
	 or give long explanations. A time out for 30 seconds to 1 minute might
	 help redirect your child.
➔	 Give your child lots of hugs, kisses, and praise for good behavior.
➔	 Spend a lot more time encouraging wanted behaviors than punishing
	 unwanted behaviors (4 times as much encouragement for wanted
	 behaviors as redirection for unwanted behaviors).
➔	 Talk to your child about what you’re doing. For example, “Mommy is
	 washing your hands with a washcloth.”
➔	 Read with your child every day. Have your child turn the pages. Take turns
	 labeling pictures with your child.
➔	 Build on what your child says or tries to say, or what he points to.
	 If he points to a truck and says “t” or “truck,” say, “Yes, that’s a big,
	 blue truck.”

www.cdc.gov/milestones | 1-800-CDC-INFO

20

Your Child at 1 Year

Cognitive (learning, thinking, problem-solving)
q	 Explores things in different ways,
	 like shaking, banging, throwing
q	 Finds hidden things easily
q	 Looks at the right picture or thing
	 when it’s named

q	 Bangs two things together
q	 Starts to use things correctly;
	 for example, drinks from a cup,
	 brushes hair
q	 Lets things go without help

q	 Copies gestures

q	 Pokes with index (pointer) finger

q	 Puts things in a container, takes
	 things out of a container

q	 Follows simple directions like
	 “pick up the toy”

Movement/Physical Development
q	 Gets to a sitting position
	 without help

q	 May take a few steps without
	 holding on

q	 Pulls up to stand, walks holding
	 on to furniture (“cruising”)

q	 May stand alone

Act early by talking to your child’s doctor if your child:
q	 Doesn’t crawl
q	 Can’t stand when supported

q	 Doesn’t learn gestures like
	 waving or shaking head

q	 Doesn’t search for things that
	 she sees you hide

q	 Doesn’t say single words like
	 “mama” or “dada”

q	 Doesn’t point to things

q	 Loses skills he once had

21

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Give your child crayons and paper, and let your child draw freely. Show your
	 child how to draw lines up and down and across the page. Praise your child
	 when she tries to copy them.
➔	 Play with blocks, shape sorters, and other toys that encourage your child
	 to use his hands.
➔	 Hide small toys and other things and have your child find them.
➔	 Ask your child to label body parts or things you see while driving in the car.
➔	 Sing songs with actions, like “The Itsy Bitsy Spider” and “Wheels on the
	 Bus.” Help your child do the actions with you.
➔	 Give your child pots and pans or a small musical instrument like a drum or
	 cymbals. Encourage your child to make noise.
➔	 Provide lots of safe places for your toddler to explore. (Toddler-proof your
	 home. Lock away products for cleaning, laundry, lawn care, and car care.
	 Use a safety gate and lock doors to the outside and the basement.)
➔	 Give your child push toys like a wagon or “kiddie push car.”

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

22

Your Child at 18 Months
What children do
at this age

Social/Emotional
q	 Likes to hand things to others
	 as play

q	 May cling to caregivers in new
	situations

q	 May have temper tantrums

q	 Points to show others something
	interesting

q	 May be afraid of strangers
q	 Shows affection to familiar people
q	 Plays simple pretend, such as
	 feeding a doll

q	 Explores alone but with parent
	 close by

Language/Communication
q	 Says several single words
q	 Says and shakes head “no”

23

q	 Points to show someone what
	 he wants

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Provide a safe, loving environment. It’s important to be consistent and
	predictable.
➔	 Praise good behaviors more than you punish bad behaviors (use only
	 very brief time outs).
➔	 Describe her emotions. For example, say, “You are happy when we read
	 this book.”
➔	 Encourage pretend play.
➔	 Encourage empathy. For example, when he sees a child who is sad,
	 encourage him to hug or pat the other child.
➔	 Read books and talk about the pictures using simple words.
➔	 Copy your child’s words.
➔	 Use words that describe feelings and emotions.
➔	 Use simple, clear phrases.
➔	 Ask simple questions.

www.cdc.gov/milestones | 1-800-CDC-INFO

24

Your Child at 18 Months

Cognitive (learning, thinking, problem-solving)
q	 Knows what ordinary things are
	 for; for example, telephone,
	 brush, spoon
q	 Points to one body part
q	 Shows interest in a doll or stuffed
	 animal by pretending to feed

q	 Points to get the attention of others
q	 Scribbles on his own
q	
	
	
	

Can follow 1-step verbal
commands without any gestures;
for example, sits when you say
“sit down”

Movement/Physical Development
q	 Walks alone

q	 Can help undress herself

q	 May walk up steps and run

q	 Drinks from a cup

q	 Pulls toys while walking

q	 Eats with a spoon

Act early by talking to your child’s doctor if your child:
q	 Doesn’t point to show things
	 to others

q	 Doesn’t gain new words

q	 Can’t walk

q	 Doesn’t notice or mind when a
	 caregiver leaves or returns

q	 Doesn’t know what familiar
	 things are for

q	 Doesn’t have at least 6 words

q	 Loses skills he once had

q	 Doesn’t copy others

25

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Hide things under blankets and pillows and encourage him to find them.
➔	 Play with blocks, balls, puzzles, books, and toys that teach cause and
	 effect and problem solving.
➔	 Name pictures in books and body parts.
➔	 Provide toys that encourage pretend play; for example, dolls, play
	telephones.
➔	 Provide safe areas for your child to walk and move around in.
➔	 Provide toys that she can push or pull safely.
➔	 Provide balls for her to kick, roll, and throw.
➔	 Encourage him to drink from his cup and use a spoon, no matter
	 how messy.
➔	 Blow bubbles and let your child pop them.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.
The American Academy of Pediatrics recommends that all children be
screened for general development and autism at the 18-month visit. Ask
your child’s doctor about your child’s developmental screening.

www.cdc.gov/milestones | 1-800-CDC-INFO

26

Your Child at 2 Years
What children do
at this age

Social/Emotional
q	 Copies others, especially adults
	 and older children

q	 Shows defiant behavior (doing
	 what he has been told not to)

q	 Gets excited when with other
	children

q	
	
	
	

q	 Shows more and more
	independence

Plays mainly beside other
children, but is beginning to
include other children, such as
in chase games

Language/Communication
q	 Points to things or pictures when
	 they are named
q	 Knows names of familiar people
	 and body parts

q	 Follows simple instructions
q	 Repeats words overheard in
	conversation
q	 Points to things in a book

q	 Says sentences with 2 to 4 words

27

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Encourage your child to help with simple chores at home, like sweeping
	 and making dinner. Praise your child for being a good helper.
➔	 At this age, children still play next to (not with) each other and don’t share
	 well. For play dates, give the children lots of toys to play with. Watch the
	 children closely and step in if they fight or argue.
➔	 Give your child attention and praise when he follows instructions. Limit
	 attention for defiant behavior. Spend a lot more time praising good
	 behaviors than punishing bad ones.
➔	 Teach your child to identify and say body parts, animals, and other
	 common things.
➔	 Do not correct your child when he says words incorrectly. Rather, say it
	 correctly. For example, “That is a ball.”
➔	 Encourage your child to say a word instead of pointing. If your child
	 can’t say the whole word (“milk”), give her the first sound (“m”) to help.
	 Over time, you can prompt your child to say the whole sentence —
	 “I want milk.”

www.cdc.gov/milestones | 1-800-CDC-INFO

28

Your Child at 2 Years

Cognitive (learning, thinking, problem-solving)
q	 Finds things even when hidden
	 under two or three covers

q	 Might use one hand more than
	 the other

q	 Begins to sort shapes and colors

q	 Follows two-step instructions such
	 as “Pick up your shoes and put
	 them in the closet.”

q	 Completes sentences and rhymes
	 in familiar books
q	 Plays simple make-believe games
q	 Builds towers of 4 or more blocks

q	 Names items in a picture book
	 such as a cat, bird, or dog

Movement/Physical Development
q	 Stands on tiptoe
q	 Kicks a ball

q	 Climbs onto and down from
	 furniture without help

q	 Begins to run

q	 Throws ball overhand

q	 Walks up and down stairs holding on

q	 Makes or copies straight lines
	 and circles

Act early by talking to your child’s doctor if your child:
q	 Doesn’t know what to do with
	 common things, like a brush,
	 phone, fork, spoon

q	 Doesn’t use 2-word phrases
	 (for example, “drink milk”)

q	 Doesn’t copy actions and words

q	 Loses skills she once had

q	 Doesn’t walk steadily

q	 Doesn’t follow simple instructions

29

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Hide your child’s toys around the room and let him find them.
➔	 Help your child do puzzles with shapes, colors, or farm animals. Name
	 each piece when your child puts it in place.
➔	 Encourage your child to play with blocks. Take turns building towers and
	 knocking them down.
➔	 Do art projects with your child using crayons, paint, and paper. Describe
	 what your child makes and hang it on the wall or refrigerator.
➔	 Ask your child to help you open doors and drawers and turn pages in a
	 book or magazine.
➔	 Once your child walks well, ask her to carry small things for you.
➔	 Kick a ball back and forth with your child. When your child is good at that,
	 encourage him to run and kick.
➔	 Take your child to the park to run and climb on equipment or walk on
	 nature trails. Watch your child closely.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in your
community who is familiar with services for young children in your area,
such as your state’s public early intervention program. For more information,
go to www.cdc.gov/concerned.
The American Academy of Pediatrics recommends that all children be screened
for general development and autism at the 24-month visit. Ask your child’s
doctor about your child’s developmental screening.

www.cdc.gov/milestones | 1-800-CDC-INFO

30

Your Child at 3 Years
What children do
at this age

Social/Emotional
q	 Copies adults and friends
q	 Shows affection for friends
	 without prompting

q	 Understands the idea of “mine”
	 and “his” or “hers”
q	 Shows a wide range of emotions

q	 Takes turns in games

q	 Separates easily from mom and dad

q	 Shows concern for a crying friend

q	 May get upset with major changes
	 in routine

q	 Dresses and undresses self

Language/Communication
q	 Follows instructions with 2 or 3 steps
q	 Can name most familiar things
q	 Understands words like “in,”
	 “on,” and “under”
q	 Says first name, age, and sex
q	 Names a friend

31

q	 Talks well enough for strangers
	 to understand most of the time
q	 Says words like “I,” “me,” “we,”
	 and “you” and some plurals
	 (cars, dogs, cats)
q	 Carries on a conversation using
	 2 to 3 sentences

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Go to play groups with your child or other places where there are other
	 children, to encourage getting along with others.
➔	 Work with your child to solve the problem when he is upset.
➔	 Talk about your child’s emotions. For example, say, “I can tell you feel
	 mad because you threw the puzzle piece.” Encourage your child to identify
	 feelings in books.
➔	 Set rules and limits for your child, and stick to them. If your child breaks
	 a rule, give him a time out for 30 seconds to 1 minute in a chair or in his
	 room. Praise your child for following the rules.
➔	 Give your child instructions with 2 or 3 steps. For example, “Go to your
	 room and get your shoes and coat.”
➔	 Read to your child every day. Ask your child to point to things in the
	 pictures and repeat words after you.
➔	 Give your child an “activity box” with paper, crayons, and coloring books.
	 Color and draw lines and shapes with your child.

www.cdc.gov/milestones | 1-800-CDC-INFO

32

Your Child at 3 Years

Cognitive (learning, thinking, problem-solving)
q	 Can work toys with buttons, levers,
	 and moving parts

q	 Copies a circle with pencil or crayon

q	 Plays make-believe with dolls,
	 animals, and people

q	 Builds towers of more than
	 6 blocks

q	 Does puzzles with 3 or 4 pieces

q	 Screws and unscrews jar lids or
	 turns door handle

q	 Understands what “two” means

q	 Turns book pages one at a time

Movement/Physical Development
q	 Climbs well
q	 Runs easily

q	 Walks up and down stairs, one
	 foot on each step

q	 Pedals a tricycle (3-wheel bike)

Act early by talking to your child’s doctor if your child:
q	 Falls down a lot or has trouble
	 with stairs

q	 Doesn’t speak in sentences

q	 Drools or has very unclear speech

q	 Doesn’t play pretend or
	make-believe

q	 Can’t work simple toys (such as
	 peg boards, simple puzzles,
	 turning a handle)
q	 Doesn’t understand simple
	instructions

33

q	 Doesn’t make eye contact

q	 Doesn’t want to play with other
	 children or with toys
q	 Loses skills he once had

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Play matching games. Ask your child to find objects in books or around
	 the house that are the same.
➔	 Play counting games. Count body parts, stairs, and other things you use
	 or see every day.
➔	 Hold your child’s hand going up and down stairs. When she can go up and 	
	 down easily, encourage her to use the railing.
➔	 Play outside with your child. Go to the park or hiking trail. Allow your child
	 to play freely and without structured activities.

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in
your community who is familiar with services for young children in your
area, such as your local public school. For more information, go to
www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

34

Your Child at 4 Years
What children do
at this age

Social/Emotional
q	 Enjoys doing new things

q	 Plays “Mom” or “Dad”

q	 Is more and more creative
	 with make-believe play

q	 Often can’t tell what’s real and
	 what’s make-believe

q	 Would rather play with other
	 children than by himself

q	 Talks about what she likes and
	 what she is interested in

q	 Cooperates with other children

Language/Communication
q	 Tells stories
q	
	
	
	

35

Sings a song or says a poem
from memory such as the
“Itsy Bitsy Spider” or the
“Wheels on the Bus”

q	 Knows some basic rules of
	 grammar, such as correctly using
	 “he” and “she”
q	 Can say first and last name

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Play make-believe with your child. Let her be the leader and copy what
	 she is doing.
➔	 Suggest your child pretend play an upcoming event that might make
	 him nervous, like going to preschool or staying overnight at a
	 grandparent’s house.
➔	 Give your child simple choices whenever you can. Let your child choose
	 what to wear, play, or eat for a snack. Limit choices to 2 or 3.
➔	 During play dates, let your child solve her own problems with friends, but
	 be nearby to help out if needed.
➔	 Encourage your child to use words, share toys, and take turns playing games
	 of one another’s choice.
➔	 Give your child toys to build imagination, like dress-up clothes, kitchen
	 sets, and blocks.
➔	 Use good grammar when speaking to your child. Instead of “Mommy
	 wants you to come here,” say, “I want you to come here.”

www.cdc.gov/milestones | 1-800-CDC-INFO

36

Your Child at 4 Years

Cognitive (learning, thinking, problem-solving)
q	 Names some colors and some
	numbers

q	 Draws a person with 2 to 4
	 body parts

q	 Understands the idea of counting

q	 Uses scissors

q	 Starts to understand time

q	 Starts to copy some capital letters

q	 Remembers parts of a story

q	 Plays board or card games

q	 Understands the idea of “same”
	 and “different”

q	 Tells you what he thinks is going
	 to happen next in a book

Movement/Physical Development
q	 Hops and stands on one foot up
	 to 2 seconds

q	 Catches a bounced ball most of
	 the time

q	 Pours, cuts with supervision,
	 and mashes own food

Act early by talking to your child’s doctor if your child:
q	 Can’t jump in place
q	 Has trouble scribbling

q	 Resists dressing, sleeping,
	 and using the toilet

q	 Shows no interest in interactive
	 games or make-believe

q	 Doesn’t understand “same”
	 and “different”

q	 Ignores other children or
	 doesn’t respond to people
	 outside the family

q	 Doesn’t use “me” and “you”
	correctly

37

q	 Doesn’t follow 3-part commands

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Use words like “first,” “second,” and “finally” when talking about everyday
	 activities. This will help your child learn about sequence of events.
➔	 Take time to answer your child’s “why” questions. If you don’t know the
	 answer, say “I don’t know,” or help your child find the answer in a book,
	 on the Internet, or from another adult.
➔	 When you read with your child, ask him to tell you what happened in the
	 story as you go.
➔	 Say colors in books, pictures, and things at home. Count common items,
	 like the number of snack crackers, stairs, or toy trains.
➔	 Teach your child to play outdoor games like tag, follow the leader, and duck,
	 duck, goose.
➔	 Play your child’s favorite music and dance with your child. Take turns
	 copying each other’s moves.

q	 Can’t retell a favorite story

q	 Loses skills he once had

q	 Speaks unclearly
Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in
your community who is familiar with services for young children in your
area, such as your local public school. For more information, go to
www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

38

Your Child at 5 Years
What children do
at this age

Social/Emotional
q	 Wants to please friends
q	 Wants to be like friends
q	 More likely to agree with rules
q	 Likes to sing, dance, and act
q	 Is aware of gender

q	
	
	
	

Shows more independence
(for example, may visit a next-door
neighbor by himself [adult
supervision is still needed])

q	 Is sometimes demanding and
	 sometimes very cooperative

q	 Can tell what’s real and what’s
	make-believe

Language/Communication
q	 Speaks very clearly
q	 Tells a simple story using full 		
	sentences

39

q	 Uses future tense; for example,
	 “Grandma will be here.”
q	 Says name and address

Learn the Signs. Act Early.

Talk with your child’s doctor at every visit about the milestones
your child has reached and what to expect next.

How you can help your child’s development
➔	 Continue to arrange play dates, trips to the park, or play groups. Give
	 your child more freedom to choose activities to play with friends, and let
	 your child work out problems on her own.
➔	 Your child might start to talk back or use profanity (swear words) as a
	 way to feel independent. Do not give a lot of attention to this talk, other
	 than a brief time out. Instead, praise your child when he asks for things
	 nicely and calmly takes “no” for an answer.
➔	 This is a good time to talk to your child about safe touch. No one should
	 touch “private parts” except doctors or nurses during an exam or parents
	 when they are trying to keep the child clean.
➔	 Teach your child her address and phone number.
➔	 When reading to your child, ask him to predict what will happen next in
	 the story.
➔	 Encourage your child to “read” by looking at the pictures and telling
	 the story.

www.cdc.gov/milestones | 1-800-CDC-INFO

40

Your Child at 5 Years

Cognitive (learning, thinking, problem-solving)
q	 Counts 10 or more things

q	 Can print some letters or numbers

q	 Can draw a person with at least
	 6 body parts

q	 Knows about things used every
	 day, like money and food

q	 Copies a triangle and other shapes

Movement/Physical Development
q	 Stands on one foot for 10 seconds
	 or longer

q	 Uses a fork and spoon and
	 sometimes a table knife

q	 Hops; may be able to skip

q	 Can use the toilet on her own

q	 Can do a somersault

q	 Swings and climbs

Act early by talking to your child’s doctor if your child:
q	 Doesn’t show a wide range of
	emotions

q	 Doesn’t respond to people, or
	 responds only superficially

q	 Shows extreme behavior
	 (unusually fearful, aggressive,
	 shy, or sad)

q	 Can’t tell what’s real and what’s
	make-believe

q	 Unusually withdrawn and not active
q	 Is easily distracted, has trouble
	 focusing on one activity for more
	 than 5 minutes

41

q	 Doesn’t play a variety of games
	 and activities
q	 Can’t give first and last name
q	 Doesn’t draw pictures

Learn the Signs. Act Early.

How you can help your child’s development
➔	 Teach your child time concepts like morning, afternoon, evening, today,
	 tomorrow, and yesterday. Start teaching the days of the week.
➔	 Explore your child’s interests in your community. For example, if your child
	 loves animals, visit the zoo or petting farm. Go to the library or look on the
	 Internet to learn about these topics.
➔	 Keep a handy box of crayons, paper, paint, child scissors, and paste.
	 Encourage your child to draw and make art projects with different supplies.
➔	 Play with toys that encourage your child to put things together.
➔	 Teach your child how to pump her legs back and forth on a swing.
➔	 Help your child climb on the monkey bars.
➔	 Go on walks with your child, do a scavenger hunt in your neighborhood or
	 park, help him ride a bike with training wheels (wearing a helmet).

q	 Doesn’t talk about daily activities
	 or experiences
q	 Doesn’t use plurals or past
	 tense properly

q	 Can’t brush teeth, wash and
	 dry hands, or get undressed
	 without help
q	 Loses skills he once had

Tell your child’s doctor or nurse if you notice any of these signs of
possible developmental delay for this age, and talk with someone in
your community who is familiar with services for young children in your
area, such as your local public school. For more information, go to
www.cdc.gov/concerned.

www.cdc.gov/milestones | 1-800-CDC-INFO

42

Questions for my Child’s Doctor

2 Months
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

4 Months
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

43

Learn the Signs. Act Early.

6 Months
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

9 Months
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

www.cdc.gov/milestones | 1-800-CDC-INFO

44

Questions for my Child’s Doctor

1 Year
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

18 Months
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

2 Years
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

45

Learn the Signs. Act Early.

3 Years
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

4 Years
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

5 Years
____________________________________________________________
____________________________________________________________
___________________________________________________________
____________________________________________________________
___________________________________________________________

www.cdc.gov/milestones | 1-800-CDC-INFO

46

Learn the Signs. Act Early.
www.cdc.gov/milestones
1-800-CDC-INFO

Adapted from CARING FOR YOUR BABY AND YOUNG CHILD: BIRTH TO AGE 5, Fifth Edition, edited by Steven
Shelov and Tanya Remer Altmann © 1991, 1993, 1998, 2004, 2009 by the American Academy of Pediatrics and
BRIGHT FUTURES: GUIDELINES FOR HEALTH SUPERVISION OF INFANTS, CHILDREN, AND ADOLESCENTS, Third
Edition, edited by Joseph Hagan, Jr., Judith S. Shaw, and Paula M. Duncan, 2008, Elk Grove Village, IL: American
Academy of Pediatrics.
Special acknowledgements to Susan P. Berger, PhD; Jenny Burt, PhD; Margaret Greco, MD; Katie Green, MPH,
CHES; Georgina Peacock, MD, MPH; Lara Robinson, PhD, MPH; Camille Smith, MS, EdS; Julia Whitney, BS; and
Rebecca Wolf, MA.

Centers for Disease
Control and Prevention

www.cdc.gov/milestones
1-800-CDC-INFO

220788


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