Kids development Program

Developmental Milestones From Birth to Age 1

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At a Glance
Babies develop very quickly during the first year of life.
They move from not being able to control limb movements to being able to reach for things and bang them together.
Cooing sounds begin to be more organized “jabbering” by the end of the first year.
Babies develop skills quickly during the first year, and it can be hard to know if your baby is on track. In the first year, babies develop new ways to think, communicate and solve problems (called cognitive skills). They develop physically and learn to interact with people.

If you’re not completely sure what skills are typical for this first year, take a look at this list of developmental milestones. It will give you a better idea of which skills are typically expected to develop at this age and whether there are possible developmental delays to discuss with the pediatrician. You can also learn more about:

How coordination and motor skills develop at different ages
How social-emotional skills develop at different ages
Physical Milestones

Makes reflex movements like sucking and startling
Has jerky, uncontrolled arm and leg movements
Cognitive Milestones

Learns about things by feel, sound, sight and smell
Begins repeating movements to help brain growth and memory
Social and Emotional Milestones

Starts learning to be comforted by caregivers
Begins getting attached to caregivers
3 Months
Physical Milestones

Props up on arms when on belly
Holds head up unsupported for a short time
Follows an object with eyes from one side to the middle, but not all the way around
Cognitive Milestones

Starts paying attention to, watching and recognizing faces
Recognizes familiar people at a distance
Shows signs of boredom (fussiness) when doing one thing too long
Uses eyes and hands together and plans, such as seeing a toy and reaching for it
Social and Emotional Milestones

Smiles spontaneously
Likes to play with people
Coos and babbles
Develops different cries for different needs (hungry, tired, wet)
Responds to love and affection
Shows happiness and sadness
May imitate facial expressions
5 Months
Physical Milestones

Reaches for and grabs objects
Rocks on tummy; may be able to roll from tummy to back
Puts weight on legs when feet are flat on the floor
Moves things from hand to hand
Cognitive and Language Milestones

Is curious about things out of reach and looks at new things
Explores things by putting them in mouth
Responds to conversation by making sounds
Recognizes and responds to own name
Social and Emotional Milestones

Starts to recognize and react to strangers
Tries to get caregivers to play (sticks out tongue, pats toys, etc.)
7 Months
Physical Milestones

Rolls from back to tummy and tummy to back
Sits without support
Does “push-ups” and starts trying to move forward
Cognitive and Language Milestones

Practices turn-taking when “talking” with caregivers
Jabbers with vowel sound combinations (eh, ah, oh) and starts using sounds like b and m
Starts testing cause and effect, such as seeing what happens when shaking a toy
Social and Emotional Milestones

Is interested in looking in the mirror
Uses sounds to express happiness, sadness and anger
9 Months
Physical Milestones

Gets into and out of a sitting position
Starts scooting, creeping or crawling
May stand with support
Picks up small objects using thumb and fingers (pincer grasp)
Follows a falling object with eyes
Looks for hidden object, but only if he sees you hide it
Plays peekaboo and patty-cake
Starts to understand no
Makes vowel-consonant sounds (mama, baba)
Points and copies other gestures
Social and Emotional Milestones

Begins having stranger anxiety
May be upset when separated from caregivers
Has favorite objects or toys
12 Months
Take a more in-depth look at developmental milestones for 1-year-olds.

Physical Milestones

Walks holding on to hands or furniture
May stand alone
May take a few steps alone
Can let go of items without help
Cognitive and Language Milestones

Finds hidden objects
Looks at or points to a picture when you name it
Bangs, throws and shakes things to see what happens
Explores everyday objects, both in correct ways (using a cup to drink) and incorrect ways (puts a toy in a cup)
Follows one-step directions
Shakes head no and waves
Tries to repeat words
Social and Emotional Milestones

Uses inflection and pauses to make sounds that sound like talking
Uses simple words like mama or uh-oh
Responds to name
Plays favorites with people
Is a little fearful of new things
Uses gestures or sounds to get your attention
Keep in mind that babies develop at different rates. If your baby isn’t reaching some of these milestones, don’t panic. But be sure to discuss this with the pediatrician. You can talk together about whether to consider an early intervention evaluation.

And take a look forward at developmental milestones for 1-year-olds and 2-year-olds.


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