OB Flashcards

1
Q

excessive/inadequate preg weight gain?

A

excessive: > 1.g kg/mo
inadequate:

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2
Q

how much wt gain if underweight and preg?

A

12-18kg

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3
Q

how much wt gain if normal wt and preg?

A

11-16kg

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4
Q

how much wt gain if overwt and preg?

A

7-11 kg

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5
Q

how much wt gain if obese and preg?

A

7 kg

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6
Q

folic acid supplementation amts in preg?

A

0.4 mg/d if no hx of NTD

4 mg/d if hx

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7
Q

recommended supplementation in preg?

A

folic acid
iron
calcium
vit d and B12 if vegetarian

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8
Q

renal flow change in preg?

A

increases 25-50%

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9
Q

GFR change in preg?

A

increases to 50 and then plateaus

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10
Q

HR change in preg?

A

increases 20%

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11
Q

BP change in preg

A

decreases 10% by 34wks GA, then back to normal

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12
Q

stroke vol change in preg?

A

increases until 19wks, then plateaus

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13
Q

cardiac output change in preg?

A

rapid rise by 20% then gradual 10% rise by 28 wks

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14
Q

pulm changes in preg?

A

tidal volume increases 30-40%
minute volume increases 40%
expiratory reserve decreases

RR and VC unchanged

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15
Q

hematologic changes in preg?

A

increase in blood volume by 50% (2nd tri)
hematocrit decreases
fibrinogen increases

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16
Q

what prenatal testing at first visit?

A

CBC, Rg, type and screen
UA and cx, rubella, HBV, RPR/VDRL, gonorrhea and chlamydia, PPD, HIV, Pap

HbA1c and sickle testing if needed
genetic screening if indicated

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17
Q

when do triple screen?

A

9-14 weeks

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18
Q

what’s on triple screen?

A

PAPP-A
nuchal translucency
bHCG

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19
Q

when do quad screen?

A

15-22 weeks

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20
Q

what’s on quad screen?

A

MSAFP
estriol
HCG
inhibin A

21
Q

when do anatomic screen?

A

18-20 weeks

22
Q

when do GDM screen?

A

24-28 weeks

23
Q

when do RhoGAM for Rh- women?

A

28-30 weeks

24
Q

when do GBS screen?

A

35-40 weeks

25
when to repeat G/C, HIV, RPR tests in preg screening?
34-40 weeks if high risk
26
quad screening in Downs?
MSAFP and estriol DECREASED | inhibin and HCG INCREASED
27
quad screening in trisomy 18?
everything down
28
timing of CVS vs amniocentesis?
CVS: 10-12 weeks amnio: 15-20 weeks
29
risks of CVS?
1% risk of fetal loss | limb defects if done at
30
risks of amniocentesis?
PROM chorioamnionitis fetal-maternal hemorrhage
31
indications for amnio?
>35 yo at delivery abnl quad screen Rh-sensitized pregnancy L:S or phosphatidylglycerol detection
32
when do CS for HIV+ preg?
VL > 1000
33
toxo ppx in preg?
spiramycin in 3rd tri
34
marked variability in FHR?
(> 25 bpm) | fetal hypoxia
35
sinusoidal variability in FHR?
serious fetal anemia
36
early decels mean?
head compression
37
late decels mean?
uteroplacental insufficiency
38
variable decels mean?
cord compression
39
how many accels in normal NST?
> 2
40
positive oral glucose challenge test?
>140 | --> then get 3 hr OGTT
41
tx HTN in preg?
no ACEi or diuretics (uterine ischemia) | --> methyldopa, labetalol, nifedipine
42
picket fence fever post partum?
septic pelvic thrombophlebitis dx: BCx and CT tx: ABx and anticoag
43
marker of epithelial ovarian tumor?
CA-125
44
marker of endodermal sinus ovarian tumor?
AFP
45
marker of embryonal carcinoma ovarian tumor?
AFP, hCG
46
marker of choriocarcinoma?
hCG
47
marker of dysgerminoma ovarian tumor?
hCG
48
marker of granulosa cell ovarian tumor?
inhibin