OBGYN 3 Flashcards Preview

UWorld Step 2 > OBGYN 3 > Flashcards

Flashcards in OBGYN 3 Deck (32):
1

indication for cerclage

h/o incompetent cervix
h/o preterm delivery and short cervix found on US in 2nd trimester

2

reasons why TMP-SMX CI in pregnancy

1st trimester: interferes w/ folic acid metabolism
3rd trimester: kernicterus

3

most accurate dating gestational age

first trimester US with crown rump length

4

when estimated gestational age with LMP differs from ultrasound by ____, change to ultrasound date

more than 7 days in 1st trimester US
more than 10 days in 2nd trimester US

5

DIC in pregnancy associated with

amniotic fluid embolism
preeclampsia
sepsis

6

risk factors for postpartum uterine atony

prolonged labor
chorioamnionitis
uterine over distention (mult gestations, polyhydram)
retained placenta

7

list 3 uterotonics and their contraindications

oxytocin
methylergonovine (incr BP)
carboprost (asthma)

8

reasons why pregnant are screened for asymptomatic bacteriuria

low birth weight
incr risk pyelonephritis

9

what happens to BUN and Cr in pregnancy, and why?

decrease
increase renal plasma flow and GFR

10

isotretinoin birth defects

craniofacial
heart
deafness

11

type of wrist pain in new mothers, and what tendon

de quervain tenosynovitis
abductor pollicis longus and extensor pollicis brevis

12

when to screen for asymptomatic bacteriuria

1st trimester

13

3 tumors that cause maternal virilization

luteoma
theca luteum cyst
Krukenberg tumor

14

indications for NST

high risk pregnancies starting at 32-34 weeks
loss of perception of fetal movements

15

causes of fetal tachycardia

maternal fever
maternal hyperthyroidism
meds (terbutaline)
abrupio placentae

16

sinusoidal fetal heart tracing

fetal anemia

17

causes of variable decels

cord compression

18

cell free DNA can detect

trisomy 13, 18, 21

19

gestational DM screen

24-28 weeks with OGTT
OR if high risk / sxs, can do A1c in first trimester

20

ATBs for UTI

nitrofurantoin
PCN
amox-clav
fosfomycin

21

persistent bacteriuria (after at least 2 courses of therapy)... management?

daily prophylactic therapy for rest of pregnancy

22

preferred OCP in lactating women and why

progesterone only pill
- doesn't affect milk
- no risk of VTE

23

patient does not want to breastfeed anymore. what to do

tight fitting bra
ice packs

24

DES female and male babies

female: hooded cervix, T shaped uterus, small uterine cavity, vaginal septae

male: hypospadias, cryptorchidism, microphallus, testicular hypoplasia

25

foamy macrophages and fat globules on breast biopsy is
and calcifications on mammo, and fixed irregular mass

fat necrosis

26

fetal anemia associated with

vasa previa

27

suspect endometrial cancer... workup

premenopausal: endometrial biopsy
postmenopausal: transvaginal ultrasound

28

timing of pain in endometriosis

2 weeks up to right before menses

29

woman 25+, ASCUS.. and HPV +, next step

colposcopy

30

woman 25+, ASCUS.. and HPV neg, next step

Pap and HPV in 3 years

31

woman 21-24 and ASCUS or HSIL, next step

repeat in 1 year

32

cervical cancer screening for immunocompromised (including SLE)

start at onset of sexual activity
Q 6 months x 2
then annually