Child Health - Development

Question 1

what do growth charts plot?

Answer 1

weight
height
head circumference
(plotted against the normal distribution for their age and gender

Question 2

how is a growth chart plotted?

Answer 2

age plotted on x-axis

weight, height and head circumference plotted on y-axis

Question 3

first sign of puberty in males/

Answer 3

testicular growth usually around 12 but normal range = 10-15

Question 4

what testicular volume indicates onset of puberty?

Answer 4

> 4ml

Question 5

when does max growth spurt happen in boys?

Answer 5

14

Question 6

first sign of puberty in females?

Answer 6

breast development

usually around 11.5 years but normal range = 9-13

Question 7

when does max growth spurt happen in girls?

Answer 7

early in puberty at around 12
before menarche
only around 4% increase in height after menarche

Question 8

average age of menarche?

Answer 8

13

normal age = 11-15

Question 9

what drives growth in infancy?

Answer 9

nutrition and insulin

Question 10

what drives growth in childhood (2-11)?

Answer 10

growth hormone and thyroxine

Question 11

what drives growth in puberty (12-18)?

Answer 11

growth hormone and sex steroids

Question 12

when should child be referred for restricted growth?

Answer 12

<0.4th centile = review by paeds

<2nd centile = GP review