Childhood growth Flashcards
Average size of newborn
50cm
3.3kg
Fctors commonly affecting growth
Nutrition
Hormone issues
Genetic disease
Name of hand-held record with growth charts every child has
Red book
When does height growth tend to finish
12-16 years
What measurements are there centiles for
Height
Weight
Head circumfrence
BMI
What is height velocity
cm grown per year
When is fastest phase of growth post delivery
First 2 years of life- childrens centiles often vary a lot here then become steady
When is another major increase in growth
Pubertal growth spurt- occurs as soon as enter puberty
For how long does skeleton develop
Until the end of puberty- epiphyses have fused by now and growth will stop
What should happen if concerns over childs growth
Measure and record growth accurately for at least a year
Main hormonal growth factor
GH
What stimulates GH production from pituitary
GHRH from hypothalamus
What affects GHRH production
Negative feedback from IGF 1 Psycosocial factors Age Health Puberty
When does most GH release occur
Overnight
Where does GH bind
Liver to release IGF1
Muscle
Bone