Puberty Flashcards
When is precocious puberty for boys?
<9 years
When is precocious puberty for girls?
<8 years
What drives growth in infancy, childhood, and pubertal years?
infancy - nutrient lef
childhood - GH lead
pubertal - sex hormone led
What does FSH do?
Stimulates the growth of follicles
What affect does an initial rise in FSH have on oestrogen?
Oestrogen rises as follicles mature - they release it
What causes the LH surge before ovulation?
When the oestrogen levels reach a certain point this stimulates the pituitary to release a surge of LH
When is progesterone released?
After ovulation in the luteal phase
What is the order of puberty in girls?
Thelarche (breast budding), followed by menarche, followed by adrenarche
What is delayed puberty in boys?
14 years
What is delayed puberty in girls?
13 years
What investigation should be done in a child with delayed puberty?
Bone scan on left wrist to see if ossification has occurred (indicated the end of childhood)
What is bone age represented by on the growth chart?
a triangle!