Developmental Milestones: Motor Development, Language, Problem Solving, and Psychosocial Skills

Question 1

Birth

Answer 1

MD: Turns head side to side
L: Attunes to human voice, develops differential recognition of parent’s voices.

Question 2

2 months

Answer 2

MD: Lifts head when lying prone; head lag when pulled from supine position.
L: Cooing (running of vowels), musical sounds (ooh-ooh, ahh-ahh).

Question 3

4 months

Answer 3

MD: Rolls over, no head lag when pulled from supine position, pushes chest up with arms.

Question 4

6 months

Answer 4

MD: Sits alone, leads with head when pulled from supine position.
L: Babbling (vowels and consanants together)

Question 5

9 months

Answer 5

MD: Pulls to stand. Cruises.
L: Jargoning. Mama and dada non-specific.

Question 6

12 months

Answer 6

MD: Walks
L: 1-3 words, mama and dada specific.

Question 7

18 months

Answer 7

L: 20-50 words. Beginning to use two words together.

Question 8

2 years

Answer 8

L: Two word telegraphic sentences. 25-50% of child’s speech should be intelligible.

Question 9

3 years

Answer 9

L: Three word sentences. More than 75% of child’s speech should be intelligible.