Pedia: Growth and Development Flashcards
Average birth length
50 cm
Average head circumference at birth
33 - 35 cm
Average length at 1 yr
75 cm
Formula for number of teeth
Age in months - 6
Formula for weight, 1-6 yr old
(Age in yrs x 2) + 8
Formula for weight, <6 mos
(Age x 600) + BW
Formula for weight, 6 - 12 mos
(Age x 500) + BW
Increase in length for the 1st year
0 - 3: 9
4 - 6: 8
7 - 9: 5
10 - 12: 3
Formula for length
(Age in years x 5) + 80
Visual motor: Fixates and follows past midline Gross: head lag when pulled to sit but head hold while sitting Language: coos Social: social smile
2 mos.
Gross:
Head control when prone
Fine motor: reaches for objects and MISSES
3 mos
Motor: Rolls over from supine; Reaches for objects and puts it in mouth
Language: orients to voice and laughs outloud
Disappearance of BOTH asymmetric tonic neck reflex and palmar grasp reflex
4 mos
Gross motor: Sits with support
Language inhibits to “no”; FOLLOWS one step command WITH gesture
Fine motor: transfers objects hand to hand
Social: enjoys mirror
7 mos
Fine: pincer grasp
Language: object permanence
Social: stranger anxiety
9 months
Babbles
6 mos
Motor: Walks with one hand held
Fine: turns pages of a book
Language: First real word! Discriminative use of mama and dada
12 mos
Plays peek-a-boo
8 mos
Motor: Walks well up and down the stairs one step at a time; jumps
Fine: imitates horizontal stroke
Language puts 3 words together as subject object verb!
Social: toilet trained by day
24 mos
Gross motor: On prone position head lift
Fine/visual motor: Follows moving object
Language: startles to sound
1 month
Gross: Pulls to stand and cruises
10 months
Motor: crawls up the stairs
Language: 4-6 word vocabulary
Social: indicates wants by pointing
15 months
Formula for weight for 7-12 years old
[(Age x 7) - 5]/2
Gross: runs stiffly
Language: identifies one or more parts of the body
Social: pretend play but DOES NOT yet play with other children
18 months
Gross: rides tricycle, stands momentarily in one foot
Fine: copies circle
Language:
Knows full name, age and sex
Social: parallel play, unbuttons clothing, asks questions incessantly
3 yrs
Motor: Hops on one foot
Fine: Copies cross; 20/20 VA
Language: tells story
Social: plays with other kids and role playing; toilet trained
4 years old
toilet trained by 4-5 years old
Copies square
4.5 y
Motor: Skips
Fine: Copies triangle
Language: names 4 colors
Social: dresses and undresses, domestic role playing
5 y
Skips
6 yrs
Cursive handwriting
8-10 yrs
Pubic hair dark as beginning to curl
SMR3
Breast and areola enlarged
No contour separation
SMR 3
Areola and papilla form secondary mound
SMR 4
Mature, nipple projects
Areola part of general contour
SMR 5
Dark scrotum with curly pubic hair
SMR 4
Breast and papilla elevated as a small mound
SMR 2
Red flags
Social smile
Head held up from prone position
4M
5M
Red flags
Babbles and rolls over
Sits without support
6M
10M
Red flags
Walks alone
Obeys simple commands
18 months
24 months
Average birthweight
3kg or 6lbs
