Growth and Development Flashcards
Weight loss in first few days of life
5-10% of birth weight
Return to birth weight
by 7-10 days of age
By what age should birth weight have doubled?
4-5mo
At 1 yr of age, how much should a child weigh compared to birth?
weight should have tripled
Average weights at birth, 1 yr, 5yr, 10yrs
3.5 kg (7.7lbs), 10 kg (22lbs), 20 kg (44lbs), 30kg (66lbs)
Average annual weight gain between 2yrs and puberty
5lb per year
Average length at birth and 1 yr
20 in at birth, 30 in at 1 yr
How tall is average child at 3 yrs?
3 ft
Average annual height increase between 4yrs and puberty
2-3 in per yr
Upper age limits of pubertal development in females
dpmt of secondary sex characteristics by 14 and menarche by 16
Elicited by allowing infant’s head to move back suddenly (from a few inches off table). Results in abduction and upward movt of arms
moro reflex
Elicited by placing infant supine and turning head to the side. Results in ipsilateral extension of the arm and leg. Contralateral side flexes
asymmetric tonic neck reflex
Gross motor milestone at 2 weeks
moves head side to side
Gross motor milestone at 2 mos
lifts shoulder while prone
Personal-social milestone at 2 mos
smiles responsively
Gross motor milestone at 4 mos
rolls
Language milestone at 4 mos
laughs and squeals
Gross motor milestone at 6 mos
sits alone
Personal-social milestone at 6 mos
feeds self, holds bottle
Language milestone at 6 mos
babbles
gross motor milestone at 9 mos
pulls to stand
Personal-social milestone at 9 mos
waves bye
Language milestone at 9 mos
says ‘dada’ and mama
Gross motor milestone at 1 yr
walks
