Age

Gross motor

Fine motor

Language

Social

1 month

Raises head from prone position

Visually fixates

Clenches fists tightly

Brings hands to mouth and face

Alerts to sounds

Turns to regard observer’s face

2 month

Lifts chest off table

Brings hands to midline

Tracks 180 degrees

No longer clenches fists tightly

Coos in response

Social smile

3 month

Uses forearms to push up

Holds head and chest up

Holds hands open

Holds object placed in hands

Babbles randomly

Anticipates feedings

Reaches for familiar objects

4 month

Rolls over front to back

Achieves head control

Supports on wrist

Reaches out for object with both hands

Laughs aloud

Enjoys looking around

5 month

Rolls back to front

Transfers

Reaches out unilaterally

Blows raspberries

6 month

Sits when placed

Helps hold a bottle

Raking grasp

Babbles rhythmically

Stranger anxiety

7 month

Gets in to sitting posture by self

Responds to sound indirectly

8 month

Commando crawl

Finger feeds

“Dada” indiscriminately

9 month

Lateral propping

Pulls to stand

Crawls with legs underneath belly

cruises

Immature pincer grasp

Holds bottle

Throws objects

“Mama” indiscriminately

Understands own name

Gesture games

“pat-a-cake”

Waves “bye-bye”

10 month

Walks when both hands held

Responds to sound directly

11 month

Walks with one hand held

One word plus “mama/dada” specifically

12 month

Walks alone

Posterior propping

Drinks from sippy cup

Marks paper with crayon

Mature pincher grasp

Follows one step command with gesture

2 other words

Babbles with inflection

Enjoys imitating

Cooperates with dressing