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
Tower of 6 blocks
24 months
Turns single pages of a book
24 months
Washes and dries hands
24 months
Removes clothing
24 months
Tower of 8 blocks
36 months
Puts on t-shirt, shorts
36 months
Draws a stick figure with 6 body parts
5 years
Cooing
vowel sound
Babbling
consonants
Jargon
complicated multisyllabic consonant and voewl sounds with intonation changes
Protoimperative pointing
pointing in hopes of obtaining (12 months)
Protodeclarative pointing
pointing to share interest in an object (14 months)
Telegraphic speech
first word combinations
Smiles
2 months
Babbles
6 months
Localizes sound
6 months
Laughs
4 months
Waves good-bye
9 months
“mama/dada” inappropriate
9 months
Follows 1-step command with gesture
12 months
Follows command without gesture
14 months
Says “no”
14 months
10-25 words
18 months
Identifies 1 or more body part
18 months
2-step commands
24 months
50+ words
24 months
Uses “I/me/mine”
24 months
Knows age/sex
36 months
Tells a story
4 years
Counts to 10
5 years
75% intelligible
36 months
Tracks object
2 months
Mouthing to explore
6 months
Asks questions
4 years
Symbolic play with doll
18 months
Prepares bowl of cereal
5 years
Knows right and left
6 years
Stranger anxiety
9-12 months
Object permanence
9 months
Fixates on face
term infant
Gaze monitoring
8 months (example of joint attention)
Pretend play
2 years
Parallel play
2-3 years
Cooperative play
4 years
Following a point (ie looking at a pointed at object)
10 months
Concept of themselves and demonstrable will
12 months
Functional play (ie ringing bell)
12 months
MR diagnosis
IQ < 70, onset before 18 yo, adaptive behavior disturbance
MR classification
pround < 20
severe 20-35
moderate 35-50
mild 50-70
Most common MR presentation
before 18 months - gross motor delay
after 2 years - language delay
Recurrence risk of MR of unknown etiology
3-9%
CP types
spastic, athetoid, atonic, ataxic
Rate of MR in CP
50-60%
AFP in myelomeningoclele
elevated
Folic acid dose
400 micrograms daily
Myelomeningocele neurologic complications
hydrocephalus (90% require VP shunt), vocal cord paralysis, seizures, tethered cord
Rate of MR in autism
70%
Most common development disabilities
- MR, 2. CP, 3. autism
Prevalence of ADHD
8-10% (male to female ratio 3:1)
Prevalence of learning disability
6-8%
Clinical presentation of learning disability
Isolated language/verbal or math/performance (children in both more likely to have MR or ADHD)
Syndromes associated with learning disability
Turner, fragile X, Klinefelter, NF1
Age at which stuttering is a clinical disorder
> 5 years of age
Autism diagnosis
6 of 12 categories (at least 2 from social interaction)
Kaufman Assessment Battery
academic achievement
Conner’s Rating Scales
attention
PEDS
global development
Wide Range Achievement Test (WRAT)
academic achievement
Peabody Picture Vocabulary
speech/language
ASQ
global development
Stanford-Binet
cognitive/intellectual functioning