Prenatal Care Flashcards

1
Q

What is purpose of placenta

A
interface
prevent rejection of fetal allograft
metabolic
endocrine
produce hormones
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2
Q

What are the components of the amniotic cavity

A

amnion - inner layer

chorion - outer layer

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3
Q

What happens during gestation

A
4 wk - specialization of cells
6 wk - cardiac motion with US
12 wk - organs
16 wk - bones/muscles
20 wk - 5 oz, nervous system, sex genitalia
24 wk - respond to sound, viable
28 wk - 1 kg, lungs develop
32 wk - fat forms, gain 1/2 weight starting now
36 wk - term, brain develop
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4
Q

What is hyperemesis gravidarum

A

N/V in preg

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5
Q

What are maternal changes during preg

A
pulmonary - O2 demand increase, dyspnea
card - increase stroke volume, increase HR, compress IVC
hematologic changes - hypercoagulability
renal/urinary - urinary stasis, nocturia, frequency, urgency
musculoskeletal - joint laxity
skin - stiae, epistaxis
breast - growth 2-3 cup sizes
metabolic - insulin resistance, lipid
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6
Q

What normal rate of weight gain during preg

A

1st tri - 1/2 - 1 lb/week

then 1 - 2 lbs/week

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7
Q

What is 1st prenatal visit

A
EDD
US
gravida
para
OB history
P and FHx
baseline bp, weight
pelvic exam - chadwick's sign
evaluatefor inheritable disorders
education
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8
Q

what meds are safe pregs

A

APAP
firber
benadryl

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9
Q

How measure fundal height

A

pubic symphysis to fundus up to 20 wks

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10
Q

What are STI screens for preg

A
Hep B
HIV
Syphilis
Chlamydia
Gonorrhea
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11
Q

What most common bacteria found during preg

A

e. coli

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12
Q

What else routinely screened for pregs

A

Varicella
cystic fibrosis
GDM
Aneuploidy - quad screen
Open Neural Tube Defects - alpha-fetoprotein
GBS @ 35-37 weeks (swab vag and surface rectum)

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13
Q

When do screening US with pregs

A

16 - 20 weeks

number
presentation
fetal life
placental location
amniotic fluid volume
fetal anatomy
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14
Q

What is non stress test

A

2 or more accelerations in FHR over 20 min period

  • > 15 bpm increase
  • > 15 seconds
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15
Q

What is BPP

A

used if non-reactive NST

all of following:
1 breathing movement lasting 30 secs
3 discrete movements
1 extension with return to flexion
vertical AF pocket > 2 cm or AFI > 5 cm

want to get 8/8 points

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16
Q

What is normal AFI

A

8.1 - 24 cm of fluid

17
Q

What shots get when preg

A

influenza

DTaP

18
Q

When go to hospital for pregs

A

ROM
contractions q 3-5 mins for 1 hour
bleeding

19
Q

What is post term preg

A

> 42 weeks