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OBGYN: Amenorrhea
OBGYN: Amenorrhea
73
Accounting
Graduate
08/15/2012

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Term
look up Tanner Staging
Definition
Term
SECOND HALF OF CYCLE IS ALMOST ALWAYS 14 DAYS. SO COUNT FORWARD YOUR 32 DAYS IF YOUR CYCLE IS LONG, AND THEN COUNT BACKWARD 14 DAYS AND THAT’S WHEN THEY CAN GET PREGNANT. SO MIGHT HAVE TO TRACK YOUR CYCLE A FEW MONTHS TO SEE HOW LONG THE CYCLES ARE BEFORE YOU CAN COUNT BACK THE 14 DAYS.
Definition
Term
Day 0 is when bleeding begins. On Day 7, the dominant __ starts producing ___ which causes a __ feedback resulting in a surge of __ which causes ovulation around day __.
Definition
- follicle
- estradiol
- positive
- LH
- 14
Term
After ovulation, follicles become __ __ __ which pump __ to stabilize the endometrium and help maintain pregancy IF it occurs.
Definition
- corpus luteum cyst
- progesterone
Term
After the LH surge, ___ begins pulsatile release again. Follicles are already being recruited for next cycle around day ___.
Definition
- GnRH
- 15-16
Term
The follicle of the follicular/proliferative phase secretes ___ has __ feedback on the anterior pituitary causing a __ of __. However, the corpus luteum cyst of the luteal/secretory phase secretes ___ and has ___ feedback on __ release from the anterior pituitary.
Definition
- estradiol
- positive
- surge of LH
- progesterone
- negative
- LH release
Term
Primary amenorrhea:
Definition
- No period by age 13 without secondary sex characteristics
- No period by age 16 with secondary sex characteristics
Term
number one cause of secondary amenorrhea:
Definition
pregnancy
Term
Secondary Amenorrhea:
Definition
- menstrual cycle starts normally
- then 3 consecutive cycles missed or only 9 in one year
Term
4 places things can go wrong resulting in amenorrhea:
Definition
- CNS
- Pituitary
- Ovaries
- Uterus
Term
Asherman's syndrome:
Definition
- uterine adhesions scarred down, usu secondary to D&C
- may cause amenorrhea
- treat with curative scraping
Term
Sheehan's syndrome:
Definition
- post-partum hemorrhage damages hypothalamus> no more ovulation
- can be a cause of amenorrhea
- Tmt: hormones or IVF
Term
Number one cause of post-partum hemorrhage:
Definition
Uterine atony- floppy uterus that lost ability to contract down and constrict arteries> hemorrhage> likely Sheehan syndrome
Term
Mullarian anomalies occur in the upper 1/3 of the vagina. Pts may lack vaginal tract or only have patches of the tract. May have only one uterine horn, or even only one kidney and ureter> can still have a baby.
Definition
Term
Vaginal septum (lower 1/3 of vagina) usu very painful. Tmt is:
Definition
cruciate incision
Term
Vaginal agenesis occurs in the lower 1/3 of vagina. It is __ __. Most of these pts also lack a __. Many of these patients have ___ from the uterus back bleeding into the abdominal cavity.
Definition
- NOT curable
- lack a cervix
- endometriosis
Term
3rd MCC of primary amenorrhea:
Definition
Androgen Insensitivity
Term
Androgen Insensitivity aka Testicular Feminization:
Definition
- genetically XY
- don't have proper androgen receptors
- testes make testosterone but not sensitive to it> no axillary hair or pubic hair
- Antimullarian hormone so no female parts either
- DHEA- converted to estrogen in periphary> breasts develop

TMT: TAKE OUT TESTES AROUND AGE 18
Term
Chromosomal abnormalities may cause streaked gonads and result in amenorrhea:
Definition
- 50% 45X
- Mosaicism
- 46XX
Term
Turner Syndrome
45X 40%, may have some 46XX with other mosaic to make abnormal tissue
Short webneck, shield chest (nipples point outward), increased elbow carrying angle, <63” tall
No FSH or LH produced to stimulate ovaries
Work up for other anomally like bicuspid aortic valve, aortic dissection, horseshoe kidney
Don’t be afraid to get karyotype if suspect chromosomal abnormalities
Definition
Term
Premature Ovarian Failure occurs in women less than __ y/o. Can come out of it or recur. Possibly autoimmune related, but no one is really sure.
Definition
40 y/o
Term
Why would a prolactinoma present with amenorrhea?
Definition
prolactin inhibits GnRH, FSH/LH secretion> amenorrhea
Term
Prolactin-secreting adenoma symptoms:
Definition
- visual field problems
- breast d/c
- check thyroid
Term
Tmt for prolactin secreting adenoma:
Definition
- Dopamine agonist
- Surgery
Term
Kallman's syndrome:
Definition
- genetic
- pts have amenorrhea and are unable to smell
Term
Hypothalamic amenorrhea may be caused by __ or ___.
Definition
- stress
- weight loss/amenorrhea
Term
Hyper/hypothyroidism may cause amenorrhea?
Definition
hypothyroidism
Term
What is the first test you do when investigating amenorrhea?
Definition
- Progesterone challenge: Provera (progesterone) 5-10 mg qd x 10 days
- if bleed at the end, their uterus is okay and they are able to mentsruate> move on up and check TSH and Prolactin
Term
After a progesterone challenge, pt did have bleeding. What is the next thing you should look at to investigate their amenorrhea?
Definition
- prolactin
- TSH
- FSH
- LH
Term
If pt bleeds with progesterone challenge and all other labs are normal, what is the cause of their amenorrhea and why?
Definition
Anovulation b/c if they had been ovulating, progesterone would have been made by corpus luteum cysts> period
Term
If pt does not bleed after progesterone challenge, what test should you do next?
Definition
estrogen and progesterone challenge
Term
Pt does not bleed after progesterone challenge or after estrogen progesterone challenge. what is the problem?
Definition
Structural Problem- Asherman's or HPO axis dysfunction
Term
Elevated FSH suggests what?
Definition
Menopause b/c no negative feedback from ovaries so just keeps increasing
Term
MCC of ovulatory dysfunction:
Definition
Polycystic Ovarian Syndrome
Term
PCOS:
Definition
Oligo- or anovulation
Clinical and/or biochemical signs of hyperandrogenism
Polycystic ovaries
Exclusion of ther etiologies
http://www.ovarian-cysts-pcos.com/images/Polycystic%20Ovary.jpg
Term
Polycystic ovaries develop when the ovaries are stimulated to produce excessive amounts of male hormones (androgens), particularly testosterone, by either one or a combination of the following (almost certainly combined with genetic susceptibility[28]):

the release of excessive luteinizing hormone (LH) by the anterior pituitary gland[citation needed]
through high levels of insulin in the blood (hyperinsulinaemia) in women whose ovaries are sensitive to this stimulus[9]

Alternatively or as well, reduced levels of sex-hormone binding globulin can result in increased free androgens.
Definition
KNOW THIS
Term
pcos
Definition
Obesity>Hyperinsulinemia and insulin resistance> decreased sex hormone binding globulin> stimulates ovarian insulin and IGF-1> increased androgens
Term
How is the LH:FSH ratio related to PCOS?
Definition
You can look at the LH: FSH ratio as a test to help dx PCOS. If LH is 2-3x greater than FSH, a dx of PCOS is suggested.
Term
Standard u/s description of PCOS:
Definition
string of pearls appearance
Term
Tmt of PCOS if desiring pregnancy:
Definition
- Metformin
- Weight loss
- Clomid
Term
Tmt of PCOS if not desiring pregnancy:
Definition
- Metformin
- Weight loss
- OCPs- help stimulate menstruation (dont want endometrial lining just builing and building> increased risk of endometrial cancer)
Term
Long term PCOS associated problems:
Definition
Menstrual Disorders
Skin Disorders
Alopecia
Acne
Hirsutism
In pregnancy
Multiples
GDM
PIH
Infertility
Chronic anovulation
Obesity
Metabolic syndrome
Sleep Apnea
T2DM
CVD
Endometrial CA
Term
Tmt of hyperprolactinemia:
Definition
- Dopamine AGONIST
- Thyroid replacement
- Clomid
- OCPs
- Progesterone monthly
Term
Meds that may cause galactorrhea:
Definition
- SSRIs
- Benzos
- Beta blockers
- Anti-psychotics
- H2 blockers
- OCPs
Term
Nml for a mom to leak breast milk for up to one year after weaning.
Definition
Term
Causes of hirsutism:
Definition
- PCOS
- Sertoli-Leydig cell ovarian tumors
- Pregnancy related d/o
- Congenital Adrenal Hyperplasia
- Adrenal tumors
- Cushing's syndrome
- Hyperprolactinemia
- Idiopathic
Term
Tests that can be ordered to investigate hirsutism:
Definition
- Testosterone
- DHEAs
- 17a-hydroxyprogesterone
- LH:FSH to look at ratio
- Glucose:Insulin ratio
- Prolactin
- TSH
- ACTH stimulation test
- Testing for Cushing's disease
Term
probably need to re-study information about Cushing's disease and how to test for it.
Definition
Term
Treatment for hirsutism:
Definition
- OCPs (inhibit LH)
- GnRH agonists
- Spironolactone- androgen receptor antagonist
- Glucocorticoids
- Acne therapy
- Weight loss
- Treat diabetes and insulin resistance
Term
How does spiranolactone work as a treatment for hirsutism?
Definition
androgen receptor antagonist
Term
Highest incidence of PMS is in what age group?
Definition
20-30s

75% of women get PMS
Term
when does PMS occur in the cycle?
Definition
one-two weeks before bleeding, should stop when bleeding starts
Term
PMS symptoms:
Definition
- headache
- breast tenderness
- pelvic pain
- bloating
- tension
- irritability
Term
Premenstrual Dysphoric D/O:
Definition
- similar to PMS but more severe causing DISRUPTION IN DAILY FUNCTION
- irritable
- dyshporia
- mood lability
Term
etiology of PMS/PMDD?
Definition
- estrogen and progesterone influence serotonin levels
Term
Suspect PMS/PMDD, how do you further evaulate this?
Definition
- r/o thyroid dysfunction
- chart for 2 cycles
Term
Basic criteria for PMS:
Definition
Sx must occur during the luteal phase w/ a Sx-free period of at least 7 days in the first half of the cycle for 2 consecutive cycles
Term
PMS treatment:
Definition
- limit caffeine
- limit etoh
- limit tobacco
- limit chocolate
- limit sodium
- exercise
- NSAIDs
- SSRIs
- GnRH agonists
- BCPs
Term
Primary dysmenorrhea is painful menstruation preventing normal activity. It occurs __ __ __ NOT at the onset of menarche. Related to prostaglandins. Sx include N/V/HA.
Definition
- later in adolescence
Term
Primary Dysmenorrhea tmt:
Definition
NSAIDS starting 1-2 days prior to menstruation (Ibuprofen, Naproxen)

NSAIDs are first line

OCPS can help b/c increasing estrogen usu decreases pain, great in conjunction with NSAIDs

surgery
heat
exercise
low fat, low meat diet
Term
Secondary dysmenorrhea, like with endometriosis, usu starts:
Definition
1-2 weeks before period
Term
Liver disease may cause abnormal uterine bleeding b/c interferes with estrogen metabolism.
Definition
Term
Required tests for abnormal uterine bleeding:
Definition
- CBC
- Quantitative beta-hcg
- TSH

may also want:
- u/s
- EMB
- hysteroscope
- D&C
Term
Abnormal utering bleeding, alway always get a :
Definition
Urine pregnancy test
Term
NUMBER ONE CAUSE OF DYSFUNCTIONAL UTERINE BLEEDING:
Definition
ANOVULATION- usu from HPO axis dysfunction, usu associated with extremes of reproductive ages
Term
Dx for menarche to age 16 abnormal uterine bleeding:
Definition
Soaking >25 pads or >30 tampons during menstrual period is considered abnormal
Absence of PMSx may mean anovulatory cycles
Fever and leukocytosis…PID
How long until abnormal cycles after Menarche are considered abnormal?
Testing:
CBC
UPT
STD’s
PT, PTT, INR
TSH
Your book mentions U/S
Term
Treatment for abnormal uterine bleeding menarche to age 16 (likely anovulatory cycles):
Definition
REASSURANCE!!!
Treat the problem (thyroid, etc.) or…
NSAID’s
Fe supplementation
May need blood transfusion and pressors
Your book mentions OCP’s and DepoProvera
Term
Dx abnormal uterine bleeding ages 16-40s:
Definition
MCC: pregnancy and contraceptive complications
Adenomyosis, endometriosis, fibroids
CBC
Pap-ages 21 and up
UPT
STD’s
Thyroid function
PT, PTT, INR
U/S if mass present
EMB!!! (best if done on 1st day of MP so as to not risk pregnancy complications, typically >30yo)
Term
greater than 30, with AUB, make sure and get a:
Definition
ENDOMETRIAL BIOPSY
Term
Treatment AUB ages 16-40s:
Definition
Treat the problem (thyroid, etc.) or…
OCP’s – i PO TID x 7d; no pills for 7 more days will result in heavy flow; open new OCP package and take i PO QD thereafter.
Provera 10mg i PO QD days 16-25 to reduce menstrual blood loss
Fe supplementation
IUD
Surgery if childbearing is completed
Term
AUB in pts >40 is ___ until proven otherwise.
Definition
CANCER
Term
Post-menopausal bleeding is 12 months of amenorrhea preceding abnormal uterine bleeding. Suggests __ __.
Definition
endometrial cancer

(usu anovulatory bleeding, but still must think this is CANCER until proven otherwise)
Term
Dx AUB > 40:
Definition
CBC
Pap
UPT
STD’s
Thyroid function
PT, PTT, INR
U/S if mass present
EMB!!! (best if done on 1st day of MP so as to not risk pregnancy complications, typically >30yo)
Take a good history!!! (pt may be on HRT or use estrogen-containing creams which can be a cause of the bleeding)
PE:
Vulvar/Vaginal atrophy can cause dry, cracked mucosa
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