Growth Charts Flashcards
What colour are boys growth charts?
blue
What colour are girls growth charts?
pink
What is a zscore?
number of SDs away from the mean
What are the secular trends of the growth chart?
over the past 30years, children are now taller and fatter, which indicates a shift to the right
What is the standard deviation?
the measure of variability
What is the 95% reference range?
2 SDs away from the mean
What is the average age for a girl to enter puberty?
11
What is the average age for a boy to enter puberty?
11 and a half
What is a pubertal delay for girls?
13
What is a pubertal delay for boys?
14
What is precocious puberty for girls?
<8years
What is precocious puberty for boys?
<9 years
What is Leptin stimulated by? What is it responsible for?
body fat
responsible for stimulating gonadotrophins
Why do fat people go through puberty earlier?
more leptin is stimulated
What scale is used for staging puberty?
Tanner puberty staging
What is 1-5 on the Tanner puberty staging?
1 - pre pubertal
5 - adult
What does thelarche mean?
breast budding
What does adrenarche mean?
body hair and odour
What does menarche mean?
period starts
2 years post thelarche
What investigations can be done to diagnose growth problems?
Bloods - for gonadotrophins, IGF-1, testosterone/oestradiol, thyroid, karyotype Bone age - X ray of non dominant hand USS uterus - endometrial thickening MRI brain Dynamic function tests
What is the average age for a boy to have his pubertal growth spurt?
14 years
What is the average age for a girl to have her pubertal growth spurt?
12 years
How can you estimate a childs future height?
mid parental height
