puberty Flashcards
secretion of sex steroid hormones after regeneration fo the zona reticularis in the adrenal cortex is?
adrenarche
when does adrenarche occur?
age 6-8
when does gonadarche begin?
age 8
pulsatile gnRH is incr without phenotypic changes is what stage?
gonadarche
when breast bud development begins
thelarche
thelarche begins when
11
breast buds are generated in response to _____
estrogen
onset of pubic hair growth around age 12
pubarche
pubarche normally precedes menarche by____
2 years
when does menarche usu occur?
age 12-13
how long does it take for regular ovulatory menstrual cycles to occur?
2 yrs
FSH is responsible for synthesis of____, whereas LH is responsible for synthesis of ____
estrogen; progesterones & androgens
vagine is ____cm at birth, grows ___cm during early childhood, incr to ____late childhood
4; 1; 7-8.5
after menarche what happens to uterine corpus: cervix ratio?
3:1
at what age does gnRH become enhanced during sleep
8
growth peak is ___years after breast budding and ___year before menarache
2; 1