Normal Pregnancy, Prenatal Care, and Lab Changes

Question 1

How much folic acid should be given to women trying to get pregnant

Answer 1

0. 4g w/ no Hx of neural tube defect

4. 0g w/ Hx of neutral tube defect

Question 2

Def = number of times a woman has been pregnant

Answer 2

Gravidity

Question 3

Def = number of pregnancies that led to a birth at or beyond 20 wks

Answer 3

Parity

Question 4

What are the subgroups of Parity

Answer 4

Full term
Preterm
Abortions
Living

Question 5

During pregnancy _____ and _____ decrease while _____ increase

Answer 5

Hct and Hgb

Factors 7-10

Question 6

What is Naegels rule

Answer 6

Minus 3 months + 7 days is expected delivery

Question 7

What is Crown Rump Length

Answer 7

Use US b/w 6-11 wks to estimate delivery date w/in 7 days

Question 8

What is the most common gene carried in North American whites

Answer 8

Cystic Fibrosis

Question 9

What is the most common form of inherited mental retardation

Answer 9

Fragile X Syndrome

Question 10

When is fetal nuchal translucency thickness tested and what does an increased thickness mean

Answer 10

1st Tri

Anomaly

Question 11

What two tests can detect Down’s with 93% confidence

Answer 11

Nuchal TT and Nasal bone assessment

Question 12

What is involved in the triple and quadruple 2nd trimester screening tests

Answer 12

Triple = hCG, estriol, AFP
Quad = hCG, estriol, AFP, Inhibin A

Question 13

Def = done between 16-20 wks with 0.3% miscarriage rate

Answer 13

Amniocentesis

Question 14

Def = done at 11 weeks with 1% miscarriage rate

Answer 14

Chorionic villi sampling

Question 15

Which anticoagulant can cross the placenta and which one doesn’t

Answer 15

Coumadin crosses placenta

Heparin doesn’t

Question 16

How often should prenatal visits occur w/in the first 28 wks

Answer 16

q 4 wks

Question 17

How often should prenatal visits occur b/w 28-36 wks

Answer 17

q 2 wks

Question 18

How often should prenatal visits occur after 36 wks

Answer 18

Weekly

Question 19

How many movements should occur within 2 hours to assess fetal kick count

Answer 19

10 movements

Question 20

What is the criteria for a reactive Nonstress Test

Answer 20

2 accels of ≥ 15 beats above baseline for ≥ 15 sec during a 20 min period

Question 21

How is a Contraction stress test conducted

Answer 21

Give oxy to get ≥ 3 contractions in 10 min period

Question 22

What is a + Contraction stress test

Answer 22

Late decels noted with majority of contractions

Question 23

What should be done if a Contraction stress test is +

Answer 23

Delivery

Question 24

When should a Biophysical profile be conducted

Answer 24

When NST is unreactive and CST is +

Question 25

What are the different scores for a Biophysical profile

Answer 25

8-10 = good
6 = deliver if pt at full term
≤ 4 = consider delivery