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Boards - Amenorrhea
OBGYN Qualifying Exam
152
Other
Post-Graduate
07/12/2020

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Term
define primary amenorrhea
Definition
no menarche or secondary sex characteristics by 13yo
Term
define secondary amenorrhea
Definition
no period for 3 cycles or 6mo
Term
define primary ovarian insufficiency - 2
Definition
<40yo, or amrnorrhea for >3mo with FSH >30 on 2 separate occasions
Term
who needs and eval for primary amenorrhea - 3
Definition
no menarche by 15yo, no menarche within 3y of thelarche, no thelarche by 13yo
Term
what is the work up everyone gets for primary amenorrhea - 7
Definition
hCG, ovarian function (FSH, LH, E2, AMH), TSH, PRL
Term
what are labs you can consider if elegiable for primary amenorrhea - 6
Definition
androgen (DHEA, T, 17OHP) if acne or hirsturism, TVUS/CT if mass or pain, karyotype if missing mullerian structures, MRI if hyperPRL or galactorrhea
Term
what do leydig cells make
Definition
testosterone
Term
what do sertoli cells make
Definition
androgen binding protein - concentrates testosterone
Term
what are the mesonepheric ducts also called
Definition
wolfien
Term
what are the paramesonepheric ducts also called
Definition
mullerian
Term
what do the mesonepheric ducts make in a male what is needed for thes
Definition
testosterone from the leydig cells - epididymis, vas deferens, seminal vesicle - MEWS-V
Term
what do the mesonepheric ducts make in a female, what is needed for this
Definition
lack of testosterone - eoophoron, skenes, gardner ducts - MEWS-G
Term
what causes the sertoli and leydig cells to secrete testosterone and testosterone binding protein
Definition
SRY gene
Term
what is needed for male external genitalia to form
Definition
SRY gene tells leydig cells to make T, which is converted by 5a-reductase to DHT which makes the external genitalia, they also need T to turn the wolfian ducts into all the tubes, they also need AMH/MIS to stop the uterus and vagina from forming
Term
what does the paramesonepheric ducts make in females, what is needed for this
Definition
upper 2/3 of vagina, uterus - needs WNT, HOX - UMP-V
Term
what does the paramesonepheric ducts make in males, what is needed for this
Definition
needs AMH/MIS - vagina masculinia, appendix testies - VAMP
Term
hyper/hypo - 2 categories
Definition
normal and abnormal karyotype (FAST)
Term
hyper/hypo abnormal karyotype - 3
Definition
turner, swyer, fragile X (FAST)
Term
hyper/hypo normal karyotype - 6
Definition
kallman, radiation, chemo, ovarian surgery, autoimmune polyglandular syndrome, autoantibodies (FAST)
Term
what autoantibodies can cause hyper/hypo - 3
Definition
adrenal, parathyroid, thyroid peroxidase
Term
cause of hypo/hypo - 4
Definition
pituitary, constitutional delay, functional hypothalamic amenorrhea, eating disorders (PET-CT)
Term
causes eugonadal hypogonadism - 7
Definition
structural, congenital adrenal hyperplasia, XX female pseudohermaphodite, 5a-reductase deficiency, androgen insensitivity syndrome, MRKH, PCOS - UTERUS CRAMPS X
Term
5 types of congenital adrenal hyperplasia
Definition
21-hydroxylase, 11B-hydroxylase, 3B-hydroxysteroid, 17A-hydroxylase, 17B-hydroxysteroid
Term
4 structural issues that can cause eugonadal hypogonadism
Definition
ashermans, imperforate hymen, transverse vaginal septum, cervical stenosis
Term
turner syndrome is what % of conceptions
Definition
3
Term
1:___ turner babies survive
Definition
1000
Term
turners is what % of SABs
Definition
15
Term
% of turners that are mosaic
Definition
>50%
Term
turner mosaic that is shortest
Definition
45X
Term
turner mosaic that is most likley to have menses
Definition
68% 45X/46XX/47XX
Term
turner mosaic that is second most likley to have menses
Definition
45X/46XX 35%
Term
most common turner mosaic
Definition
45Xi(Xq)
Term
turner mosaic most likley to have hashimotos
Definition
45Xi(Xq)/45X
Term
turner mosaic that never has any puberty
Definition
46Xdel(Xp)
Term
turner mosaic that can have SRY gene defect too
Definition
45X/46XY
Term
turner mosaic that needs a gonadectomy
Definition
45X/46XY
Term
rate of turner 45X/46XY
Definition
5-10% of turners
Term
where does the X in turners come from
Definition
75% maternal, exception 45X/46Xi(Xq) 50% of i(Xq) is from dad
Term
why is there no Y in turners
Definition
defective sperm
Term
where does a karyotype come from to diagnose turners
Definition
venous WBC, can come from anywhere but you could get a different result depending on the tissue
Term
evaluation in turners - 7
Definition
ECHO, renal US, TSH, CBC, lipids, celiac, hearing
Term
physical exam signs turners - 8
Definition
no breast, short, webbed neck, sheild chest, wide nipples, small mandible, pigment nevi, high palate
Term
#1 sign of turners on US
Definition
cystic hygroma esp in 2T
Term
% of turners that will have zero puberty
Definition
80%
Term
% of turners that are fertile
Definition
5%
Term
cardiac abnormalitie spossible in turners - 4
Definition
bicuspid aorta 30%, coarctation of the aorta 10%, dilated aortic root, HTN
Term
metabolic abnormalities turners - 2
Definition
DM, hypothyroid/hashimotos
Term
GU abnormalities turners - 3
Definition
horseshoe kidney 30% vs double/cleft renal pelvis, steak ovaries
Term
screening needed for turners patients
Definition
annual - BP, hearing, LFT, TSH, lipids, FBG
celiac - q2-5y
Term
pregnancy options for turners what is the risk
Definition
donor egg IVF (100x chance of death 2% mortality, higher if aortic root dilation or bicuspid aorta)
Term
hormonal management in turners - 3
Definition
GH if <5%ile (uually 2-5yo), E2 at 12-14yo start 0.5mg and start increasing in 3-6mo until 2mg, PROG add after 1st bleed or 2y post E2
Term
cause of swyer syndrome
Definition
46XY with deletion mutation 15%, deletion 15%, something else 70% of SRY gene
Term
signs of swyer syndrome - 9
Definition
NEFG, no breast, no puberty, streak gonads, uterus, cervix, tubes present, upper 2/3 vagina present, primary amenorrhea
Term
when does swyer get a gonadaectomy
Definition
now
Term
risk of goand maligiancy in swyer
Definition
25-75%
Term
hormonal mangement in swyer
Definition
E2 at 12-14yo start 0.5mg and start increasing in 3-6mo until 2mg, PROG add after 1st bleed or 2y post E2, stop at 50yo
Term
infertility management in swyer
Definition
donor egg
Term
after radioactive iodine how long do you have to wait for pregnancy
Definition
6mo
Term
fragile X is what % of POF
Definition
3
Term
cause of fragile X
Definition
CGG repeat on FMR gene, causes diases when >200
Term
signs of fragile X in women
Definition
POF 20% (can intermittently ovulate and become pregnant in 10%), normal development prior
Term
cause of kallman syndrome
Definition
neuron defect so no GNRH is made thus no FSH/LH are made
Term
signs of kallman syndrome
Definition
primary amenorrhea, no secondary sex characteristics, HAS BODY HAIR
Term
hormonal management in kallman
Definition
E2 at 12-14yo start 0.5mg and start increasing in 3-6mo until 2mg, PROG add after 1st bleed or 2y post E2, stop at 50yo
Term
infertility management in kallman
Definition
donor egg, menotropins (FSH and LH, LH reduces the need for extremem amounts of FSH in this syndrome which could cause cycle cancellation and OHSS)
Term
chemo with high risk of ovarian failure - 6
Definition
cyclophosphamide, chlorambucil, melphalan, busulphalan, nitrogen mustard, procarbazine
Term
chemo with moderate risk of ovarian failure - 2
Definition
cisplatin, adrimycin
Term
chemo with low risk of ovarian failure - 6
Definition
bleomycin, actinomycin, vincristine, MTX, 5FU, taxanes
Term
cause of autoimmune polyglandular syndrome
Definition
mutation on chromosome 21
Term
signs of autoimmune polyglandular syndrome type 1 - 3
Definition
childhood onset, hypoparathyroidism 90%, adrenal insufficiency 70%, POF 60%
Term
signs of autoimmune polyglandular syndrome type 2 - 5
Definition
childhood onset, adrenal insufficiency 100%, hypothyroid 70%, DM1 50%, POF 10%
Term
diagnosis of autoimmune polyglandular syndrtome - 5
Definition
antiadrenal Ab, anti 21hydroxylase Ab, anti TPO Ab, anti thyroid peroxidase, anti ovarian ab (ovarian is not reliable)
Term
signs of constitutional delay
Definition
normal birth weight, lag at 3-6mo and at puberty lasting 2-3y, normal adult height
Term
body fat % causing amenorrhea in functional hypothalamic amenorrhea
Definition
<17% for menrache, <22% for a period
Term
cause of functional hypothalamic amenorrhea
Definition
alters GNRH pulses which cause disorderd LH
Term
labs elevatetd in functional hypothalamic amenorrhea - 3
Definition
gherlin, cortisol, endorphins
Term
labs low in functional hypothalamic amenorrhea - 6
Definition
GNRH, FSH, LH, E2, leptin, insulin
Term
risks for functional hypothalamic amenorrhea - 3
Definition
illness, menstruation, exercise
Term
functional hypothalamic amenorrhea before menarche usually delays menarche how long
Definition
3y
Term
functional hypothalamic amenorrhea signs - 5
Definition
AUB, amenorrhea, fatigue, depression, fracture/osteoporosis
Term
functional hypothalamic amenorrhea during peak growth time means they only achieve what % of their BMD
Definition
95%
Term
functional hypothalamic amenorrhea #1 treatment
Definition
increased weight (also decrease crazy exercising)
Term
functional hypothalamic amenorrhea treatment
Definition
increase weight, decrease activity, OCPs to stop further bone loss
Term
functional hypothalamic amenorrhea why aernt bisphosphonates used
Definition
they dont work, also they can get into the fat and leak out in pregnancy
Term
functional hypothalamic amenorrhea prognosis for recovery
Definition
70% in 6-8y
Term
causes of sheenhan syndrome
Definition
pituitary infarct during pregnancy
Term
sheenhan syndrome risks - 2
Definition
hypotension requiring transfusion, PPH
Term
sheenhan syndrome signs - 6
Definition
secondary amenorrhea, lethargy, anorexia, weight loss, poor milk production, adrenal insufficiency or crisis
Term
sheenhan syndrome diagnosis - imaging
Definition
MRI with empty sella
Term
sheenhan syndrome diagnosis - labs - 5
Definition
low GH, PRL, ACTH, TSH, cortisol
Term
sheenhan syndrome treatment - 2
Definition
steroids to prevent adrenal crisis, levothyroxine IF still abnormal after correcting for adrenal abnormalities most compensate for TSH on their own
Term
cause of imperforate hymen
Definition
no rupture of posterior wall of urogenital sinus as neonate
Term
signs imperforate hymen - 3
Definition
cyclic pain, thin blueish membrane, acute urinary retention (Rare)
Term
cause of transvserse vaginal septum
Definition
incomplete urogenital sinus fusion
Term
sheenhan syndrome signs
Definition
no blueish membrane but same as imperforate hymen, associated with severe endometriosis
Term
sheenhan syndrome management
Definition
never drain leads to infection, must resect
Term
MRKH vs AIS - cause
Definition
MRKH - defect in WNT
AIS - no androgen receptors
Term
MRKH vs AIS - karyotype
Definition
MRKH - 46XX
AIS - 46XY
Term
MRKH vs AIS - inheritence
Definition
MRKH - unknown
AIS - x-linked recessive
Term
MRKH vs AIS - uterus and vagina
Definition
MRKH - present
AIS - abnormal or absent, blind pouch
Term
MRKH vs AIS - renal anomalies
Definition
MRKH - horseshoe kidney 50%
AIS - none
Term
MRKH vs AIS - skeletal anomalies
Definition
MRKH - 15%
AIS - none
Term
MRKH vs AIS - testosterone level
Definition
MRKH - female
AIS - higher than female, less than male
Term
MRKH vs AIS - gonads
Definition
MRKH - normal ovaries
AIS - functional testies in abdomen, inguinal canal, or labia
Term
MRKH vs AIS - fertility management
Definition
MRKH - egg retrevial and surrogate
AIS - adoption
Term
MRKH vs AIS - when do to gonadectomy
Definition
MRKH - dont!
AIS - after puberty
Term
AIS risk of gonad cancer
Definition
5%
Term
2 methods of vaginal dilation
Definition
frank - patient applied
ingram - fitted bike seat
Term
what is a vachetti procedure
Definition
surgery with spring loaded traction on the vaginal cuff to elongate a vagina
Term
MRKH vs AIS - secondary sex characteristics
Definition
MRKH - normal female
AIS - female with less pubic/axilly hair and large breasts
Term
incidence of incomplete AIS
Definition
1/10 as common as AIS
Term
incomplete AIS Grades
Definition
1 - normal male phenotype with gynecomastic and infertility
2- add small penis, and hypospadius
3- add cryotoorchidism and bifid scrotum
4- ambiguous genitalia, large clitoris
5- female phenotype, separate urethra and vagina
6- add pubic and axillar hair, 50% inguinal hernia
7- CAIS
Term
4 causes of XX female pseudohermaopoidism
Definition
1 - division of one ovum, separate fertilization, then fusion,
2 - 1 ovum, 2 sperm
3 - 2 ovum, 2 sperm
4 - SRY mutation
Term
signs of XX female pseudohermaphoridism
Definition
ootesties or 1 ovary 1 testie, external gentialia respond to testosterone at 8-16wk, normal uterus and tubes
Term
how is XX female pseudohermaphoridism raised
Definition
as female
Term
infertility management for XX female pseudohermaphoridism
Definition
fertility is possible just need to get an egg and sperm in there
Term
cause of 5a-reductase deficiency
Definition
AR XY with wolfian ducts but pseudofemale genitalia, no DHT means no male external genitalia
Term
signs of 5a-reductae deficiency - 7
Definition
hypospadius, separate vaginal and urethra, cryptoorchidism, no acne, no temporal baldness, little body hair, impaired sperm
Term
5a-reductase deficiency management
Definition
you get to pick...
1 ) gonadectomy now to avoid virilization (and cancer)
2) early correction of hypospadius and cryptoorchidism allowing for male rearing and fertility (risk of cancer of testies)
Term
5a-reductase fertility management
Definition
IUI/IVF works
Term
what are the signs of an AMH mutation
Definition
normal male with inguinal hernia with differentiated mullerian structures
Term
6 causes of virilization of a female baby that may cause ambiguious genitalia but not necessiarly cause life time issues or primary amenorrhea
Definition
placental aromatase deficiency, ovarian leutoma, maternal steroids, maternal danazol, maternal progesterone, maternal androgen secreting tumor
Term
what builds up in a 3B hydroxysteroid deficiency and what can you test in the lab to confirm
Definition
cholesterol, pregniolone, 17hydroxypregnolone, DHEA, andrstenediol - but the labs you can get are increased pregnolone, DHEA, 17OHP and decreased testosterone
Term
signs of 3B hydroxysteroid deficiency in male and female
Definition
46XY - hypospadius to female genitalia
46XX - ambiguous genitalia
Term
what builds up in 17B hydroxysteroid deficiency, what labs can you get to confirm
Definition
androsteindione - labs you can get are high androstendione, low testosterone and DHT
Term
signs of 17B hydroxysteroid deficiency
Definition
female genitalia in male with 46XY and testes
Term
management of 17B hydroxysteroid deficiency
Definition
if virilization give androgens at puberty
Term
what builds up in 11B hydroxylase deficiency and what can you actually test in the lab
Definition
progesterone, 11 deoxycortisol - in the ab yiy get elevated 11 deoxycortisol and DHEA, decreased renin
Term
signs of 11B hydroxylase deficiency
Definition
HTN, hypokalemia, alkalosis
Term
genitalia and symptoms in females with 11B hydroxylase deficiency
Definition
normal genitalia, hirsturism, AUB
Term
what builds up in 17a hydroxylase deficiency, what can you test for in the lab
Definition
pregniolone, progesterone - test in the lab for elevatetd ACTH low DHEA
Term
signs of 17a hydroxylase deficiency
Definition
HTN, hyponatremia, hypokalemia, hypervolemia, males with female genitalia and blind vagina
Term
treatment 17a hydroxylase deficiency
Definition
steroids, estrogen (males raised as female)
Term
physiology 17a hydroxylase deficiency
Definition
cant really make sex steroids, everything goes into ALD/cortisol, ALD causes hypervolemia (HTN, electrolyte imbalances)
Term
inheritence 17a hydroxylase deficiency
Definition
AR chromosome 10
Term
what happens in congenital lipoid adrenal hypoplasia
Definition
defect in STAR causes issues with cholesterol transport and testoserone isnt made, males are feminized
Term
3 areas of the adrenal gland and what do they make
Definition
glomerulosa - mineralcorticoid, fascualata - glucocorticoid, reticularis - sex steroids
Term
physiology of 11B hydroxylase deficiency
Definition
cant make ALD/cortisol, everything goes down the path and there is elevated DHEA instead
Term
physiology of 17B hydroxylase deficiency
Definition
cant make testosterone but can make everything else ok
Term
physiology of 3B hydroxysteroid deficiency
Definition
cant make estrogen or testosterone, but everything else is ok
Term
#1 cause of endocrine neonatal death
Definition
21hydroxylase deficiency
Term
#1 form of CAH
Definition
21 hydroxylase deficiency
Term
cause of 21 hydroxylase deficiency
Definition
AR CRYP21A2 deficiency on CH6 p21
Term
labs you can get to confirm 21 hydroxylase deficiency - 4
Definition
elevated - 17OHP, DHEA
low - 11deox, cortisol
Term
forms of 21 hydroxylase deficiency and their prevalence
Definition
classical - salt wasting 75%, simple virilizing2 25%
non classical
Term
physiology of 21 hydroxylase deficiency
Definition
cant make ALD/cortisol (to different extents depending on the varient), things get shunted to making sex hormones
Term
signs of salt wasting CAH
Definition
zero enzyme activity, low cortisol and aldosterone, circulatory collapse
Term
signs of simple virilizing CAH
Definition
2% enzyme activity prevents circulatory collapse, ambiguious genitalia
Term
races with higher risk of non-classical CAH - 4
Definition
hispanic, Jewish, Slavic, medeterranian
Term
signs of non-classic CAH - 4
Definition
precocious puberty, early hirsturism, AUB/oligomenorrhea, normal genitalia
Term
how can you tell if someone has classic vs non classic CAH
Definition
test 17OHP in the AM - if >800 they have classic, if <200 their normal, if in the middle then give ACTH 250mg and in 1h test againi, if >1500 they have non-classic
Term
when is the best time of the month to test 17OHP
Definition
follicular phase
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