-
0 - 1 month
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5 inch/month
- -lacks purposeful movements
- -lies in flexed position
- -regards person's face
-
2 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5 inch/month
- -lifts head for short time when prone
- -visually tracks objects 180 degrees
- -smiles, frowns, coos
-
3 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5 inch/month
- rolls from back to side
- sits w/ suppor; recognize parents
- focus on hands; squeals w/ pleasure
-
4 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5 inch/month
- turns from back to prone
- holds head erect while sitting
- reaches w/ both hands; carries objects w/mouth
- laughs aloud; make consonant sounds
-
5 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5/month
- turns from abs to back
- grasps objects intentionally
- holds objects w/ one hand
- play w/ feet
-
6 months
- Birth weight doubled
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- Inc. HC 0.5/month
- imitate sound
- stranger anxiety
-
7 months
- Teething @ 5-7 months
- transfer objects from hand to hand
- crawl; bears wt on feet when placed on surface
-
8 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- "dada" w/o meaning
- sit alone w/support
- pull to stand
- pincer grasp developed
- stranger anxiety
-
9 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- attempts to feed self
- walk while holding on
- bang blocks together
- drink cups
- searches hidden objects
-
10 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- may walk/climb
- neat pincer grasp
- one-hand dominance
- play peek-a-boo and pat-a-cake
- few words
-
11 months
- Inc. 1 inch/month
- Inc. 3-5 oz/week
- cooperates w/dressing self
- attempts to feed self w/spoon
- can follow one-step commands
- understands "no"
- shake's head "no"
-
12 months
- Birth wt tripled
- Inc. birth length by 50%
- head/chest circumference even
- may walk independent or w/hand
- says "mama", "dada"
- points for desired objects
-
15 months
- scribbles
- walk
- pulls/pushes toys
- builds towers w/blocks (2)
-
18 months
- throws ball overhanded
- build towers w/blocks (3-4)
- may control sphincters
- 10 words
-
24 months
- 4x birth weight
- 4-6 lbs/year during 2-6
- climbs steps w/both feet
- short phrases
- jumps, runs (wide stance)
- build 6-7 blocks
- name familiar objects
-
30 months
- walks backward
- may hop on one foot
- crude circles
- holds crayon w/fist
-
3 years
- all 20 teeth
- climb stairs w/alternating feet
- turn doorknobs
- holds crayon w/fingers
- dresses self
- rides tricycle
- bladder/bowel control
- short sentences
- build 9-10 blocks
- copies circle
-
4 years
- hop on one foot
- recognize color
- button/unbutton
-
5 year
- catch ball
- skips/jumps rope
- balance w/eyes closed
- 2100 words
-
6-12 years
- 2-3 inch/year
- 4.5-6.5 lb/year
- primary teeth lost/replaced
- language, math, reasoning skills
- peer group
- may swim, bike and roller skate
- reads
-
12-18 years
- continued physical growth
- puberty
- acceptance from groups
- abstract thinking
- individual identity
- sex role identity
- independence
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