Growth/Development Flashcards
Head circumference growth
2 cm/month for 1st 3 months
1 cm/month for 3-6 months
0.5 cm/month for 6-12 months
Average head circumference
Birth 35 cm
1 year 47 cm
2 years 49 cm
Average height
Birth 50.8 cm
1 year 76 cm
2 years 88 cm
How many times 2 year old height estimates adult height?
2x
Weight doubles by which month?
5 months
Weight triples by which month?
12 months
Weight quadruples by which month?
24 months
Average weight
Birth 3-3.5 kg
1 year 10 kg
2 years 12-12.5 kg
Hand dominance develops
18 months
Head up in prone position
2 months
Rolls from front to back
3-4 months
Sits unsupported
6 months
Rolls back to front
5-6 months
Commando crawls
7 months
Reaches
6 months
First steps
12 months
Plays ball with examiner
15 months
Stoops and recovers
15 months
Throws ball
18 months
Runs stiffly
18 months
Kicks ball
24 months
Jumps in place
24 months
Walks up stairs by alternating feet
36 months
Hops 2 or 3 times
36 months
Pedals tricycle
36 months
Dresses without help
4 years
Hops on one foot
4 years
Skips by alternating feet
5 years
Rides a bicycle
6 years
Draws circle
3 years
Draws cross
4 years
Draws square
4.5 years
Draws triangle
5 years
Tower of 2 blocks
15 months
Hands unfisted most of the time
3 months
Holds rattle
4 months
Transfers objects from hand to hand across midline
6 months
Feeds self with fingers
9 months
Bangs 2 objects
9 months
Plays gesture games
9 months
Pincer grasp
10 months
Releases cube into a cup
12 months
Drinks from a cup
15 months
Scribbles with a crayon
15 months
Tower of 4 blocks
18 months
Feeds self with spoon
18 months