Developmental milestones

Question 1

Birth to 1 month (4)

Answer 1

• Flexor tone
• Fisted hands
• Fixed gaze @ 8-12 inches
• Primitive reflexes:
  
  • Startle,
  • Grasp,
  • Asymmetric Tonic Neck (one arm bent up, the other arm stretched out, neck turned)
  • Rooting reflex (stroke cheek/mouth, turn toward source, opens mouth to suckle)

Question 2

2 months

Answer 2

• Lift head and chest 45º when prone
• Grasp – opens and closes fist
• Cooing, gurgling
• Smiles
• Pays attention to faces
• Colic – very fussy baby as they become aware of bodily functions

Question 3

4 months

Answer 3

• Flirts, recognizes familiar people
• Sits w/ support
• Babble w/ expression
• Laughs
• Reaches for toys w/ one hand
• Lots of drooling, putting things in mouth
• Visually tracks side to side
• No head lag
• May be able to roll over

Question 4

6 months

Answer 4

• Sit unsupported, scoots, rolls
• Knows familiar faces
• Strings vowels together when babbling
• Begins speaking w/ consonant sounds
• Transfers objects between hands

Question 5

9 months

Answer 5

• afraid of strangers
• Mobile: stands holding on, pulls to stand, crawls
• understands “no”
• responds to name
• Lots of different sounds
• watches path of falling things
• plays peek-a-boo
• picks up cereal but w/o precise pincer grasp

Question 6

12-15 months

Answer 6

• Shy w/ strangers
• Points to desired object
• “Mama”; “Dada”; some other words
• Follows one-step commands w/ gesture
• Imitates
• Steps w/o holding, walking
• Scribbling
• Fine pincer grasp

Question 7

18 months

Answer 7

• Some temper tantrums
• Simple “pretend” games like feeding doll, imitating adults
• Several single words
• Scribbles on own
• Walks alone, runs
• Drinks from cup, eats with spoon
• Can help undress self

Question 8

2 years

Answer 8

• Plays next to other children (parallel play)
• Uses spoon and cup
• 2-4+ word sentences (noun+verb)
  
  • words can be invented as long as it is used for the same thing, or in different languages
• Speech = 50% intelligible to strangers
• Builds tower 4+ blocks
• Simple 2-step instructions w/o gesture
• Running, kicking ball, up/down stairs w/ railing
• Short attention span, temper tantrums

Question 9

3 years

Answer 9

• Dresses, undresses self
• Knows age, name, gender
• 4-5+ word sentences w/ correct pronouns
• Speech 75% intelligible to strangers
• Copies a circle
• Tricycle
• Climbs, jumps, up stairs w/ alternating feet,
• Interactive play but may still be hard to share

Question 10

4 years

Answer 10

• Draws person w/ 2-4 body parts
• Can cut w/ scissors
• Names colors, numbers
• Cooperates w/ other children
• More elaborate play (make-believe)
• Games w/ simple rules
• Speech 100% intelligible, w/ plurals, pronouns, verbs
• Hops, stands on one foot, catches ball, throw overhand
  
  • e.g. t-ball starts at this age
• Can draw a cross

Question 11

5 years

Answer 11

• more likely to agree w/ rules, follows basic rules, take turns
• speaks clearly, elaborate stories, long conversations
• recites name/address
• counts to 10+
• recognize letters, numbers
• draw person w/ 6 body parts
• Skipping, standing on one foot for longer,
• Distinguises imaginary/reality (lying)