Developmental Milestones

Developmental Milestones: 


Age

Gross Motor 

Fine Motor

Language

Social and Cognitive 

Concerns / Safety

1 month

Head lag (head hanging back when lifted) 

Clenched fits – strong grasp reflex

Fixates on objects

Feels safe with caregiver 

2 - 3 months

Holds head on shoulders

Opened hand (grasp reflex disappears)

Makes sounds and interacts 

Interacts with familiar faces

4 months

No head lag, rolling from back to side 

Grasps with two hands

Laughs and squeals

Soothing and imitating

5 - 6 months

Able to roll over 

5 months: palmar grasp – grasping without the thumb

6 months: holds bottle

Babbles and responds to name 

Separation anxiety begins

7 - 8 months

Can sit forward with hands bearing weight, then unsupported  

Transfers objects and starting to use pincer (using thumb and index finger to hold small things)

Strings babbling

Continuation of separation anxiety 

9 months

Can pull up on something to stand, and can ‘creep’/crawl

Crude pincer grasp 

Responds to name

Purposeful play 

Report if not babbling

10 months

Can prone to sit 

Grasp rattle handle

Makes sounds and mimics gestures,

Plays peek-a-boo and understands 

11 months

Can walk with hands on object 

Neat pincer grasp

Understands yes and no

object permanence 

12 months 

Can walk holding someone's hand

Can build a 2-block tower

(10-12 m)

(10-12 m)

Concern of SIDS until 1 year – unknown cause, pacifier can help 

12 - 15 months

Walks unassisted and can creep up stairs 

Points with index finger, uses cup well, and can feed themselves finger foods

Understands words without context, commands followed by a gesture, and looks at adults while communicating – first words, communicates desires

1 - 3 years 

Starting to be focus on separation and self (*egocentric) 


Has power struggles and temper tantrums 


Relies on routines and security items 

18 months

Throws a ball overhand, pulls toys while walking, jump in place, and run clumsily  

Manages a spoon, can stack 3-4 blocks, masters reaching, grasping, and releasing, and can remove socks and shoes

Understands the word ‘no’, can sometimes answer the question ‘what is this’ – uses 5-20 words

*Looking for control over the environment – need to offer limited choices


No clear body boundaries

Concerned if not walking, not speaking 15 words, or does not understand function of common household items 

24 months 

Can kick a ball, walk up and down stairs (both feet on each stair), climb down from furniture, and carries toys while walking

Builds a tower of 6 or 7 blocks and can turn pages of a book 

Points to named body parts and named pictures in books – uses 50-300 words, 2-3 word sentences, ⅔ words understood 

Separation anxiety may re-emerge


Decisions for actions based on avoiding punishment and attaining pleasure


Look for autism during this time

Concerned if not using two-word sentences, not imitating actions, not following basic instructions, or cannot push a toy with wheels 

30 - 36 months

Jump across floor and off chairs, can stand on one foot and on tip toes

Good hand-finger coordination and can draw circles 

Understands most sentences, can follow a 3 part command – 1,000 words by 3 years, asks why questions

Concerned if having difficulty with stairs, falling frequently, extreme difficulty if having issues with separation from parent, and if there is little interest in other children


1-3 years

Period of intense exploration, time for potty training, never leave alone in care of young sibling

*helpless in water

**lead poisoning 

3 - 4 years

Ride a tricycle, alternate feet going up and down stairs, move backwards and forwards

Dressing independently, drawing circles, squares, and tracing capital letters, ties shoes

Speaks in complete sentences with grammar, understands concepts of same and different, asks a lot of questions, can count a few numbers

3-6 years

Vivid imagination, magical thinking


Developing social skills – making friends, self control

3-6 years

Likely to explore and hide in new places that may be dangerous 

Tend to be reckless – ideal age to teach about safety and dangers 

5 years

Stands on one foot 10 seconds or longer, swings and climbs well, can learn to skate and swim 

Printing some letters, uses fork, spoon, and knife, mostly cares for own toileting needs 

Can explain how an item is used, can count to 10, speech should be completely intelligible, can say name and address, talks about past, and future events

Strong emotions

Developing identity 


Lying is common 


Can use transduction when reasoning

Do not misinterpret comprehension with ability to make safe choices 


6 - 12 years

Slow progressive physical growth, increase in coordination (can participate in organized sports) 

*unable to judge speed and distance of oncoming cars until around 10 years 

Possesses ability to read – improves with exposure


Metalinguistic awareness – enjoys jokes and riddles 


Developing self worth from school and community accomplishments

Attempts to think through actions and anticipate outcomes, 

Understands principles of conservation

ADHD may emerge at this time (characterized by inattention, hyperactivity, and impulsivity) – boys are more likely to have it than girls, and medication and therapies can help 

Increased exposure to dangerous situations

Very physically active during this time – injury precautions 

12 - 18 years

Develop endurance, speed, and accuracy and coordination improves

Precise hand eye coordination and finger dexterity

Vocabulary will improve 

Want to be autonomous and avoid shame from peers

Becoming self dependent

Idealistic – committed to their own viewpoint

Self esteem tied to body image 

Safety risk education is important – physical injuries are the greatest cause of death (due to strength and confidence they feel) 

  • Driving, guns, alcohol/drugs

  • Suicide