Development Flashcards
what is standard deviation?
the degree of variability
what is a person’s Z score?
the number of standard deviations they are away from the mean
when does a child show normal growth?
measurements in normal range
rate of growth normal
how should babies be weighed?
no clothes or nappies
how should children over two be weighed?
in a vest and pants
what is the average age of the start of puberty for girls?
11
when do boys on average start puberty?
11.5
what are the two gonadotrophins?
FSH
LH
how is puberty staged?
Tanner staging system
what is the indicator of puberty in boys?
increase in testicular volume
what is the indicator of puberty in girls?
breast development
what are the three stages of puberty in girls?
thelarche
adrenarche
menarche
what is thelarche?
onset of puberty
breast budding
what is adrenarche?
development of body hair and odour
what is menarche?
onset of the first period
when does menarche usually occur?
2 years post thelarche
what does TCPP stand for?
true central precocious puberty
what is TCPP?
normal pubertal development occurring abnormally early
when is it considered TCPP in girls?
under 8
when is it considered TCPP in boys?
under 9
is TCPP more common in girls or boys?
girls
what is pubertal delay?
absence of secondary sexual development in girls over 13 or boys over 14
is pubertal delay more common in girls or boys?
boys
what is another name for the pubertal growth spurt?
peak height velocity (PHV)
when does PHV occur in girls?
around 12
near the start of puberty
when does the PHV occur in boys?
around 14
near the end of puberty
what can be used to predict a child’s adult height?
mid parental height
