Growth and Puberty Flashcards
What is a z score
Number of standard deviationd from the mean
What percentage of people are within 1SD from the mean
68 percent roughly
What percentage of people are within 2SD from the mean
95 percent
How many standard deviation is between a centile line
2/3rds of a SD
When does a child show normal growth
If their measurements are wihin the normal range compared with children of their age.
If ther rate of grouth is within the normal range
How do you measure weight in a child
Babies should be weigh without clothes or nappy
Children older than two can weight in vest and pants but no shoes etc.
What type of scales should be used to measure a child weight
Class III clinical electronic scales in metric setting ONLY
How is head circumferance measured?
Using a narrow plastic or disposable paper tape
Around widest part of head.
How is length measure
Use a length board or matt.
without nappy or foot wear
When is height measured
From 2 years (before that measure lenght)
How is height measured
Using a rigid rule with a T piece or stadiometer
When can a child be described as being on ‘X’ centile?
If they are within 1/4 of a space of the centile line
When can a child be described as being on ‘X’ centile?
If they are within 1/4 of a space of the centile line
What is the average age that girls and boys enter puberty?
11 years
boys 6 mths later
How is puberty staged
tanner stages
What is true central precocious puberty
Normal pubertal development occurring before aged 8 in girls, age9 in boys
What is pubertal delay
absence of secondary sexual characteristics in a gilr aged 13 or a boy aged 14
What is thelarche
breast budding
What is adrenarche
body hair and odour
What is menarche
periods start (usually two years after thelarche) can be 1-5yrs
When do girls PHV
12yrs
When do boys PHV
14years
