peds17 Flashcards
1
Q
def of delayed puberty in boys
A
no testicular enlargment by age 14
2
Q
def of delayed puberty in girls
A
no breast tissue by 13 or no menarche by 14
3
Q
kallman syndrome
A
can cause delayed puberty. Gonadotropin def associated with anosmia
4
Q
prader-willi syndrome
A
can be a cause of delayed puberty
5
Q
lawrence-moon-biedl syndrome
A
obesity, retinitis pigmentosa, hypogonadism, and polysyndactly, and delayed puberty
6
Q
klinefelter syndrome
A
hypergonadotropic hypogonadism
7
Q
when is gonad differentiation?
A
9 weeks- SRY causes the fetal testes, which produces testosterone and AMH
8
Q
what causes virilization of the external genitalia?
A
conversion of testosterone to DHT by 5a reductase;