Developmental milestones in infancy

Question 1

Raises head and chest when prone

Answer 1

2 months

Question 2

Follows objects past midline

Answer 2

2 months

Question 3

Coos

Answer 3

2 months

Question 4

Smiles back (social smile)

Answer 4

2 months

Question 5

Recognizes parents

Answer 5

2 months

Question 6

Holds head straight

Answer 6

4 months

Question 7

Rolls over front to back

Answer 7

4 months

Question 8

Props himself/herself up on wrists in prone position

Answer 8

4 months

Question 9

Holds and shakes rattle

Answer 9

4 months

Question 10

Laughs

Answer 10

4 months

Question 11

Makes consonant sounds

Answer 11

4 months

Question 12

Localizes sound

Answer 12

4 months

Question 13

Sits without support

Answer 13

6 months

Question 14

Rolls over back to the front

Answer 14

6 months

Question 15

Develops stranger anxiety

Develops object permanence

Answer 15

6–9 months)

Question 16

Babbles

Answer 16

6 months

Question 17

Grabs and transfers objects from one hand to the other

Answer 17

6 months

Question 18

Crawls

Answer 18

9 months

Question 19

Stands when holding on to something

Answer 19

9 months

Question 20

Pincer grasps

Answer 20

9-12 months

Question 21

Says “ma-ma”, “da-da”

Answer 21

9 months

Question 22

Orients to name

Answer 22

9 months

Question 23

Imitates actions

Answer 23

9 months

Question 24

Has separation anxiety

Answer 24

9 months

Question 25

Starts to walk

Answer 25

12 months

Question 26

Can throw objects

Answer 26

12 months

Question 27

Points at objects

Answer 27

12 months

Question 28

Knows 1–5 words

Answer 28

12 months

Question 29

Follows simple commands

Answer 29

12 months