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Boards - Abnormal Pregnancy
OBGYN Qualifying exam
83
Other
Post-Graduate
06/30/2020

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Cards

Term
ectopics are % of pregnancies
Definition
2
Term
ectopics are % of ED visits in 1T
Definition
18%
Term
leading cause of 1T pregnancy related death
Definition
ectopic
Term
rate of mortality ectopic
Definition
0.05%
Term
% normal pregnancies with abnormal hCG rise
Definition
15%
Term
% ectopics normal hCG rise
Definition
15%
Term
recurrence rate after 1 ectopic
Definition
10-15%
Term
recurrence rate after 2 ectopics
Definition
25%
Term
rate of tubal ectopic pregnancy, breakdown where and % in the tube
Definition
ampula 80%, ischmic 12%, fimbriae 5%, corneal/interstitial/horn 2%
Term
rate of abdominal ectopics
Definition
1/4%
Term
rate of cervica, heterotopic, C-section scar ectopics
Definition
<1%
Term
signs of a CD scar ectopic
Definition
empty uterus, no myometrium around pregnancy or between pregnancy and bladder
Term
complications CD scar ectopic - 2
Definition
accrete, uterine rupture
Term
risk of ectopic after salpingectomy
Definition
8%
Term
risk of ectopic after salpingestomy
Definition
15%
Term
risk of ectopic with ART
Definition
2%
Term
risk of ectopic with IUD
Definition
overall 50% less but 3-4% rate
Term
progesterone association with pregnancy viability
Definition
<5 abnormal 99% specificity, 5-20 equivocal (most ectopics), >20 IUP
Term
% ectopics where hCG will look like SAB
Definition
8%
Term
% ectopics that will have a GS
Definition
15%
Term
success rate for expectant management ectopic
Definition
overall 20-60%, if hCG <200 80%
Term
requirements for ectopic expectant management - 3
Definition
falling hCG, early gestational age, asymptomatic
Term
success rate overall of MTX for ectopic
Definition
71-94%
Term
#1 factor for MTX success for ectopic
Definition
hCG level
Term
MOA MTX
Definition
folinic acid antagonist inhibits dihydrofolate reductase which is needed for DNA/RNA synthesis
Term
relative contraindications MTX - 4
Definition
GS >4cm, cardiac activity, high hCG )generally >5000), refusal of blood products
Term
absolute contraindications MTX - 14
Definition
IUP, immune deficiency, thrombocytopenia, leukopenia, anemia, allergy to MTX, PUD, pulmonary/liver/renal disease, breastfeedig, ruptured, unstabe, unreliable
Term
when on MTX you have to tell the patient not to - 6
Definition
NSAIDS, alcohol, sun, sex, working out, PNV
Term
regimen 1 dose MTX
Definition
day 1 - 50mg/m2 …. day 4 hCG…. day 7 hCG should be 15% decreased from day 4 if not redoes MTX
Term
what % of single dose MTX will need second dose
Definition
13-40%
Term
success rate of single dose MTX based on hCG level
Definition
<1000 98%, <5000 86%, >15000 68%
Term
regimen 2 dose MTX
Definition
day 1 50 mg/m2 …. day 4 50 mg/m2, hcg …. day 7 hCG should be 15% decreased if not redoes on day 11
Term
regimen multi dose MTX
Definition
1 mg/kg MTX and hCG - days 1, 3, 5, 7 … folinic acid 0.1mg/kg days 2, 4, 6, 8. if no decreases after 4 doses do surgery
Term
when is the multi dose MTX regimen indicated - 3
Definition
higher GA, hCG >5000, fetal cardiac activity
Term
side effects of MTX - 11
Definition
abdominal pain, vaginal bleeding, stomatitis, transaminitis, nausea, vomiting, alopecia, dizziness, neutropenia, pneumonitis, diarrhea
Term
indications for surgical removal of ectopic pregnancy - 4
Definition
contraindication to MTX, failed MTX, unstable, heterotopic
Term
contraindications to surgical management ectopic
Definition
medically treatable ectopic
Term
when to do a laparotomy for ectopic - 4
Definition
unstable, cornual, experience, anticipate difficult LSC
Term
success rate of salpingestome
Definition
83-84%
Term
indications to just do a salpingectomy for ectopic - 6
Definition
ruptured, severe tube damage, other tube is normal, future fertility not desired, history of ectopic in same tube, hemorrhage of salpingestomy
Term
why don't we treat CD scar ecotpic with systemic MTX
Definition
61% rate of need for blood transfusion
Term
how can CD scar ectopic be treated - 3
Definition
direct injection with MTX or KCL, hysteroscopic excision, uterine artery embolization
Term
how can a cervical ectopic be treated
Definition
hysteroscopic excision
Term
SAB is % of pregnancies
Definition
40
Term
% SAB <12wk
Definition
80
Term
#1 cause of SAB
Definition
50% chromosomal
Term
#1 chromosomal cause of SAB
Definition
50% trisomoy
Term
#1 trisomy causing SAB
Definition
16
Term
#2 chromosomal cause of SAB
Definition
20% monosomy X
Term
#1 single gene disorder causing SAB
Definition
monosomy X
Term
#3 chromosomal cause of SAB
Definition
22% polyploidy
Term
4 predictive signs of sab
Definition
abnormal YS, slow HR, small HS, subchorionic hematoma (controversial)
Term
rate of subchorionic hematoma
Definition
0.5-40% of pregnancies
Term
risks in pregnancy with subchorionic hematoma - 5
Definition
SAB (contriversia), PPROM, abruption, stillbirth, PTD
Term
signs of anembryonic gestation - 6
Definition
+YS, GS >1.8cm, irregular GS, no FP, decidual cast, arias stella reaction
Term
what is a decidual cast
Definition
necrotic decidua, rare villi
Term
what is an anembryonic gestation associated with
Definition
ectopic
Term
bug causing most septic Ab
Definition
S. aureus
Term
hCG should increase __% in __h
Definition
53% in 48h
Term
level of hCG at time of ovulation and missed period in early pregnancy
Definition
ovulation 8-100, period 50-100
Term
within the 99%ile when should a GS, YS, and FP be seen
Definition
GS hCG 3500 / 5wk
YS hCG 18000 / 6wk
FP hCG 48000 / 6+5wk
Term
4 diagnostic SAB criteria
Definition
CRL 7mm without FCA, GS 25mm without FP, no FHR >2wk after GS, no FHR >11d after YS
Term
what percent of PUL will be IUP and which ectopic
Definition
30% IUP, 7-20% ectopic
Term
in PUL when do you do sampling for villi
Definition
hCG >3500 with nothing on ultrasound
Term
expectant management success
Definition
80% by 8wk, 60% if enambryonic, most by 2wk
Term
3 regimens for medical SAB management and their success
Definition
cytotec 1 dose 800mcg vaginally 71% - cytotec 2 dose 800mcg vaginally 84% - mifepristone 200mg PO, in 24h 800mcg cytotec PV 90%
Term
after medical management for SAB what is the follow up
Definition
TVUS in 7-10d should have no GS and EMS <3cm, if no TVUS available can follow hCG
Term
% of abortionin 2T
Definition
10%
Term
method of most 2T Ab
Definition
D+E 95%
Term
trimester of most abortion complications
Definition
2T 2/3
Term
use of osmotic dilatiors and miso in D+C
Definition
20-24 wk - osmotic dilators decrease cervical laceration and hemorrhage...…. <20wk miso decreases complications, can do dilators too
Term
which do you prime with mifepristone - medical abortion, delivery for fetal demise - and why
Definition
medical abortion- decreases time to delivery, decreases retained placenta, unclear for fetal demise
Term
when is it beneficial to do KCL injection or cord transection prior to medical abortion
Definition
no evidence for this
Term
rate of stillbirth
Definition
1:160
Term
race with highest stillbirth
Definition
AA
Term
risks for still birth - 4
Definition
AA, nullip, AMA, obese
Term
3 studies that may actually give you the cause of stillbirth and % they will
Definition
placental histology/cultures 30%, perimortum fetal eval 30%, fetal karyotype 8-13% (if structural abnormality >20%)
Term
what are the 3 best ways to perform fetal karyotype in stillbirth and which is best
Definition
amniocentesis 84% > placenta at cord insertion 30% > chostochondral junction / patella
Term
what labs should every mom with a still birth get - 6
Definition
KHB, parvo, RPR, APAS, CBC, TSH
Term
what labs can you consider in select patients with stillbirth - 5
Definition
thrombophilia, paternal karyotype, HBA1C, UDS screen
Term
which stillbirth patients shoulg get thrombophilia work up - 3
Definition
severe placental abnormalities, IUGR, FHX
Term
which stillbirth patients should get HBA1C - 2
Definition
LGA, maternal risk factors
Term
which stillbirth patients should get UDS - 2
Definition
abruption, suspect drug use
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