Study guide & Fellow review Flashcards
(80 cards)
AMH is AKA __
mullerian inhibiting substance (MIS)
Mullerian duct becomes:
tubes, uterus, upper 1/3 vagina
Wolffian duct becomes:
epididymus, vas deferens, seminal vesicles
What does Mullerian NOT become?
ovaries, lower vagina, clitoris
What does Wolffian duct NOT become?
testes, penis
main 2 ddx for absence of uterus
mullian agenesis, androgen insensitivity
What do sertoli cells produce
MIS
What do Leydig cells produce
testosterone
Swyers syndrome
XY, mutation in SRY gene, phenotypically female
Gonads in Swyers?
streak
androgen insensitvity
female phenotype but no ovaries, scant pubic hair, breast development (aromatization from T), male T level
Defect in MRKH
mutation in AMH gene or receptor
heritability of 5 alpha reductase deficiency
autosomal recessive
which DSD most likely to have gender dysphoria
5-ARD (grow penis at puberty)
What test do your order to r/o CAH
17-ohp
order of female puberty
breast (thelarche), pubic hair (adrelarchy), growth spurt,
menarche, (“TAG-men”)
When should menses occur by? (define delayed puberty)
13 w/o breast, 15 if secondary sex
short stature, webbed neck, shield chest, streak gonads
Turner’s
precocious puberty, cafe au lait spots, increased bone age
McCune Albright (upstream production of estrogen due to G protein mutations)
treatment for McCune Albright
aromatase inhibitors - testalactone (shut down production of estradiol)
definition of precocious puberty in girls
under 6 in black, under 7 in white
Can put precocious puberty kids on __ to prevent early growth plate fusing
lupron
Why do GnRH agonists & antagonists work to prevent LH/FSH secretion?
activation requires pulsatile action
How to improve IVF success with hydrosalpinx?
salpingectomy or occlude tubes before IVF