Growth + Development Flashcards
Average birthweight for full term newborn
3.25kg
Change in birthweight by 5 and 12 months
5mo: doubles
12mo: triples
Average birth height for full term newborn
50cm
Change in birth length by age 2, 4, 13yr
2yr: 1.5x
4yr: 2x
13yr: 3x
Growth rate in 1st year of life and until start of puberty
1st year: 20cm/yr
Until puberty: 5-6cm/yr
Normal head circumference for full term newborn
35cm
Head growth for first 6mo and 6-12mo
First 6mo: 1cm/mo
6-12mo: 0.5cm/mo
Macrocephaly
Head circumference 2 SD above mean or > 97th percentile for age
Macrocephaly
Normal development
Parents with big heads
Normal familial macrocephaly
Macrocephaly
Lethargy
Irritability
Vomiting
Feeding difficulty
Sundowning
Bulging fontanelle
Hydrocephalus
Microcephaly
Head circumference > 2 SD below mean or < 3rd percentile for age
1st drop in weight
Then drop in length and sparing HC
Inadequate caloric intake
Short stature
Normal/elevated weight
Endocrine disorders
Weight and height fall together
Chronic medical condition
Signs of Failure to Thrive
Weight < 5th percentile for age
Weight drops 2 major percentile channels
Weight < 80% of ideal weight for age
Weight < 5th percentile on weight-for-length curve
Tracks
Lift head and chest
Coos
2 mo
Grasp/shake rattle
Full head lift
Bears weight on forearms
Turns to sound
4 mo
Sit with support
Babble
Bounce
Bang objects
Belly crawl
Roll in both directions
Turns to sound
6 mo
Sit without support
Pull to stand
Non-specific mama/dads
Turns to name
9 mo
Walk with one hand held
Specific mama/dada
Mature pincer grasp
1 year
Loss of reflexes:
Palmar
Rooting
Moro
Plantar
3-4mo
4mo
3-6mo
8-9mo
Stack 2 cubes
1 step commands
1 body part
15mo
Walk upstairs
Climb
Stack 4 cubes
18mo
Run
Jump
Kick
Parallel play
Say 1st name
50% intelligibility
2 yr