1 month 

Lifts head briefly when prone

Flexed posture

Responds to sound by blinking, quieting, crying, startling

Responds to face and voice

Fixates on face and follows with eyes

2 months

Lifts head while prone

Coos,vocalizes 

smiles responsivley

Follows to midline

4 months

Sits with support- good head control

Grasp rattle

Laugh, Babble

Regards own hand

Recognizes parent's voice and touch

6 months

Roll over in both directions, sit without support

Turns to sounds

Reach for toys

Feed self

Begin stranger anxiety

Look for dropped yarn/beginning to hv memory

9 months

Creep or crawl

Pulls to stand, Stand holding on

Pass cube

Inferior pincer grasp

Responds to own name

Understands "no"

Plays peek-a-boo

12 months

(1 year)

Pulls to stand, may start walking

Precise pincer, points with index finger

Bangs 2 things together

Waves bye-bye

Can say 1 word

Play pat-a-cake

Object permanance

15 months

Stoop and recover, walk well, climb stairs

Stacks 2 blocks

Vocabulary of 3-6 words

Parallel play

Can point to one body part

Drink from a cup

18 months

Walk backwards, throw ball

Scribbles

Use spoon and cup

Follows one-step commands

Shows affection

24 months

(2 years)

Walk up and down stairs

Tower of 5 cubes

Use 2 word phrases

May be agressive/withdrawn

Remove clothes

Follows 2 step commands

Fantasy play

2 1/2 years

Jump up

Tower of 6 cubes

Name 1 picture

Put on clothing

3 years

Jumps in place, balances on one foot, tricycle

Copies circle and cross

Throw ball overhand

Able to take turns

All speech is understandable, complex sentences

Names a friend

4 years

Hop 

Build tower of 10 blocks

Gives first and last name

Aware of gender

Can distinguish fantasy and reality

Draws person with 3 parts

5 years

Able to skip

Says name and address

Copies triangle and prints some letters

Conversant with any adult

Knows how to follow rules of a game

Trigger screening for autism if: 

Not babbling or prodeclarative pointing by 1 year

Not saying 1 word by 15 months

At 18 month and 2 year visits

 First primary tooth erupts 

(lower central incisor) 

6-10 months

First tooth to erupt

(upper central incisor)

8-12 months

Upper lateral incisior eruption 

9-13 months

Lower lateral incisor erupts 

10-16 months

Primary

Upper canine 

Lower canine

16-22 months

17-23 months

Upper first molar

Lower first molar

13-19 months

14-18 months

Primary

Upper second molar

Lower second molar

25-33 months

23-31 months

Central incisor upper and lower

exfoliate

6-7 years

Lateral incisor upper and lower 

exfoliate

7-8 years

Lower canine 

exfoliate

9-12 years

10-12 years

Permanent central incisors

upper and lower erupt 

7-8 years

Permanent lateral incisor 

erupt 

8-9 years

Wisdom teeth erupt 

17-21 years