Prenatal Care

Question 1

What is purpose of placenta

Answer 1

interface
prevent rejection of fetal allograft
metabolic
endocrine
produce hormones

Question 2

What are the components of the amniotic cavity

Answer 2

amnion - inner layer

chorion - outer layer

Question 3

What happens during gestation

Answer 3

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

Question 4

What is hyperemesis gravidarum

Answer 4

N/V in preg

Question 5

What are maternal changes during preg

Answer 5

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

Question 6

What normal rate of weight gain during preg

Answer 6

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

then 1 - 2 lbs/week

Question 7

What is 1st prenatal visit

Answer 7

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

Question 8

what meds are safe pregs

Answer 8

APAP
firber
benadryl

Question 9

How measure fundal height

Answer 9

pubic symphysis to fundus up to 20 wks

Question 10

What are STI screens for preg

Answer 10

Hep B
HIV
Syphilis
Chlamydia
Gonorrhea

Question 11

What most common bacteria found during preg

Answer 11

e. coli

Question 12

What else routinely screened for pregs

Answer 12

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

Question 13

When do screening US with pregs

Answer 13

16 - 20 weeks

number
presentation
fetal life
placental location
amniotic fluid volume
fetal anatomy

Question 14

What is non stress test

Answer 14

2 or more accelerations in FHR over 20 min period

• > 15 bpm increase
• > 15 seconds

Question 15

What is BPP

Answer 15

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

Question 16

What is normal AFI

Answer 16

8.1 - 24 cm of fluid

Question 17

What shots get when preg

Answer 17

influenza

DTaP

Question 18

When go to hospital for pregs

Answer 18

ROM
contractions q 3-5 mins for 1 hour
bleeding

Question 19

What is post term preg

Answer 19

> 42 weeks