Growth and Development Flashcards
Weight < 6 mos
Age in mos x 600 + BW
Weight > 6 mos
Age in mos x 500 + BW
Weight 1-6 y/o
Age x 2 + 8
BW doubles in
5 mos
BW Triples in
1 yr
Ht in cm
Age in years x 5 + 80
Ht in inches
Age in years x 2 + 32
Ht: 2 y
1/2 of mature ht
Ht: 3 y
3 feet tall
Ht: 4 y
2x BL
Ht: 13 y
3x BL
HC at birth
33-35
HC taken up to
3 y/o
HC of adult
6 yo
No. of teeth
age in mos - 6
If no teeth by 13 mos
suspect thyroid d/o
1st teeth
6 mos
1st tooth
Central mandibular incisor
All primary teeth erupted by
3 y/o
Lift Head when Prone
2-3 Months
Tracks Past Midline
2-3 mos
Social Smile
2-3 mos
Rolls front to back
4-5 mos
Grasp rattle
4-5 mos
Sits with pelvic, less support
6 mos
Babbles
6 mos
Stranger Anxiety
6 mos
Crawls
9-10 mos
Pincer grasp
9-10 mos
Object permanence
9-10 mos
Walks alone
12 mos
Separation anxiety
12 mos
Parallel play
2 y
Rides Tricycle
3 y
Knows colors
4 y
20/20 VA
4 y
Knows ABC
5 y
Can write
5 y
Handedness
3 y
Bed Wetting
F: 4
M: 5
Tie Shoes
6 y
Language explosion
2 y
Basic sexuality
4-5 y
Reflex that persists throughout life
Parachute
Fencing posture
Tonic neck reflex
Average hour of sleep of a 3 mo old
15 hrs
Autism Spectrum 2 Domains
Social communication
Repetitive Patterns