Should I Be Concerned? A Checklist for Parents

0-3 months

In prone position, head up only

1-4 months

Head steady at shoulder

3-6 months

Rolling front to back

4-7 months

Rolling back to front
Sitting with support

5-9 months

Sitting independently

5-10 months

Creeping on tummy

6-11 months

Crawling on hands and knees

6-12 months

Pulls to a stand

9-17 months

Walking

13-20 months

Running

17-34 months

Jumps on two feet

18-30 months

Kicks a ball

28-36 months

Climbs stairs with alternate feet

30-48 months

Pedals tricycle

0-4 months

Unfisted

2-5 months

Bats at objects

3-6 months

Brings objects to midline

4-7 months

Transfers objects

5-10 months

Raking grasp
Finger feeds

6-10 months

Primitive pincer

7-10 months

Neat pincer

10-15 months

Voluntary release

10-16 months

Helps with dressing

10-18 months

Uses cup – open or sippy

12-18 months

Spoon feeds

14-24 months

Imitates housework

18-30 months

Handedness

22-30 months

Helps with undressing

30-40 months

Undresses self

24-36 months

Toilet training

1-3 months

Social smile

6-12 months

Object permanence
Stranger anxiety

9-18 months

Affective sharing
Uses mother as a secure base

9-24 months

Separation distress

12-36 months

Independence

12-30 months

Parallel play

24-48 months

Associative play
Cooperative play

1-4 months

Cooing

3-6 months

Laugh
Turns to voice

4-8 months

Razzing

5-9 months

Babbling

6-10 months

Dada/mama non-specifically

7-12 months

Gesture games

9-18 months

Understands ‘No’

9-14 months

Dada/mama specifically

10-16 months

One step command with a gesture

10-18 months

Immature jargoning

12-20 months

One-step command without a gesture

12-24 months

Points to body parts

16-24 months

Mature jargoning

20-30 months

Puts two words together

22-30 months

Pronounces inappropriately
Two-step command

30-40 months

States first name

30-42 months

Pronounces appropriately