Growth and Development Flashcards
birthweight doubles by *** months
5 months
birthweight triples by *** months
12 months (1 year)
average height is *** cm
50 cm
birth length/height ratio goes up by
- 50 % by age *** years
- doubles by age *** years
- triples by age *** years
up 50% by 1 year, doubles by 4 years, triples by 13 years
normal head circumference for full term newborn is *** cm
35 cm
rate of head circumference growth first 6 months vs 6-12 months
1 cm/mo for first six months, then 0.5 cm/mo from 6-12 mo
macrocephaly cut off percentile vs microcephaly
macrocephaly >98%
microcephaly < 5 %
developmental age? follows mom around room 180 arc
2 months
developmental age? lifts head while prone
2 months
developmental age? coos
2 months
developmental age? scratches and grabs at clothes
4 months
developmental age? hold a rattle
4 months
developmental age? puts objects into mouth
4 months
developmental age? sit without support
6 months
developmental age? walk with 1 hand held
1 year old