Chapter 53 Fetal Growth Assessment

Question 1

Preterm is __ weeks

Answer 1

Before 37

Question 2

Early term is _____ weeks

Answer 2

Between 37-39 weeks

Question 3

Full term is ____ weeks

Answer 3

39-41

Question 4

Later term is _____ weeks

Answer 4

Between 41-42 weeks

Question 5

IUGR is most commonly defined as fetal weight below ____ % for given gestational age

Answer 5

10%

Question 6

Mortality rate is increased ____ depending on severity of IUGR

Answer 6

6-10 fold

Question 7

Most significant maternal factors with IUGR

Answer 7

• history of previous fetus with IUGR
• smoking
• hypertension
• uterine anomaly
• placental hemorrhage
• placental insufficiency

Question 8

Difference between IUGR and SGA

Answer 8

IUGR is caused by pathological process

Question 9

2 classifications of IUGR

Answer 9

Symmetric and asymmetric

Question 10

More common form of IUGR

Answer 10

Asymmetric

Question 11

Usually the result of a first trimester insult like chromosomal abnormality or infection.

Answer 11

Symmetric IUGR

Question 12

IUGR that is also caused by severe maternal malnutrition, fetal alcohol syndrome, severe congenital anomaly. 20-30% of IUGR cases

Answer 12

Symmetric IUGR

Question 13

Asymmetric IUGR usually results from ____

Answer 13

Placental insufficiency

Question 14

Assures blood flow to the brain at the expense of the rest of the body

Answer 14

Asymmetric IUGR

Question 15

Characterized by an appropriate BPD and HC but a disproportionately small AC

Answer 15

Asymmetric IUGR—head sparring

Question 16

Last organ to be deprived of essential nutrients ____

Answer 16

Brain

Question 17

The single most sensitive indicator of IUGR ____

Answer 17

AC

Question 18

Five biophysical parameters included in a BPP

Answer 18

1. NST
2. Fetal Breathing Movement (FBM)
3. Gross Body Movements (GBM)
4. Fetal tone(FT)
5. AFI

Question 19

BPP has a _____ minute time limit

Answer 19

30

Question 20

Normal BPP score

Answer 20

8-10

Question 21

BPP score with no immediate significance

Answer 21

4-6

Question 22

BPP score indicating immediate delivery or extending the test

Answer 22

0-2

Question 23

The goal of the BPP is to find a way to predict and manage the fetus with _____

Answer 23

Hypoxia

Question 24

Waveforms make sure that blood flow in the umbilical vessels of the fetus with IUGR is ____

Answer 24

Decreased

Question 25

Fetus with asymmetric IUGR vascular resistance ___

Answer 25

Increases in the aorta & umbilical artery.

Decreases in the middle cerebral artery(MCA)/circle of Willis

Question 26

Above 90% for EFW

Answer 26

Macrosomia

Question 27

Macrosomia babies have a birth weight of ____

Answer 27

4000g or greater

Question 28

Macrosomia is commonly a result of ____

Answer 28

Poorly controlled maternal diabetes

Question 29

Single most valuable biometric parameter used in assessing fetal growth

Answer 29

Abdominal circumference (AC)

Question 30

Macrosomic fetus’ have increased risk of morbidity and mortality due to ____

Answer 30

Head/shoulder injuries and cord compression

Question 31

Macrosomia; ____% in diabetic mothers

Answer 31

25-45%