Fetal Growth Restriction

Question 1

What is the definition of fetal growth restriction?

Answer 1

Fetus with EFW < 10%

Question 2

What is the definition of small for gestational age

Answer 2

Infant with birthweight < 10%

Question 3

What is the definition of low birth weight?

Answer 3

Infant with birth weight < 2500g

Question 4

What are the short term risks with FGR?

Answer 4

Mec aspiration, hypoglycemia, hypothermia, polycythemia, hyponatremia, hypocalcemia

Question 5

What are the long term risks with FGR?

Answer 5

slightly smaller adults, 2 x increase in major neurologic problems, increased risk of CV disease, increased risk of diabetes

Question 6

What specific type of placental disorder can cause FGR?

Answer 6

Circumvallate placenta

Question 7

What two types of placental disorders DO NOT cause FGR?

Answer 7

Placenta accreta, placenta previa

Question 8

If you have had one pregnancy complicated by FGR what is the risk of having a recurrence?

Answer 8

25%

Question 9

If you have had one pregnancy complicated by FGR what is the risk of having a recurrence?

Answer 9

25%

Question 10

What two serum component of the first trimester screen indicates possible FGR?

Answer 10

Low PAPP-A, high AFP

Question 11

What is the first early US finding associated with FGR?

Answer 11

Abdominal circumference

Question 12

What happens to the FL/AC ratio and the HC/AC ration with an FGR baby?

Answer 12

Increase ratio as AC decreases

Question 13

Symmetric FGR indicates what about the timing of occurence in pregnancy?

Answer 13

Problem causing IUGR happens in early pregnancy

Question 14

Asymmetric FGR suggests what about the timing of occurrence in preganancy?

Answer 14

Problem causing IUGR happens late in pregnancy

Question 15

What proportion of all FGR is assymetric?

Answer 15

80%

Question 16

What percent of FGR pregnancies also have Oligohydramnios?

Answer 16

75%

Question 17

As FGR worsens the S/D ratio generally ______ as the diastolic flow _____.

Answer 17

Increases, Decreases

Question 18

Where should the S/D ratio be measured?

Answer 18

Free loop of chord

Question 19

What is an abnormal S/D ratio

Answer 19

> 2 SD above the mean

Question 20

At 30 weeks what is the normal S/D ratio

Answer 20

3.0

Question 21

At term what is the normal S/D ratio

Answer 21

< 3.0

Question 22

What gestational age should you start fetal surveillance for FGR?

Answer 22

28 wga

Question 23

When should you plan to deliver a fetus with isolated FGR?

Answer 23

38.0 - 39.6

Question 24

When should you plan to deliver a fetus with FGR and an elevated UA S/D ratio

Answer 24

37 wga

Question 25

When should you plan to deliver a fetus with FGR and AEDF?

Answer 25

34 wga

Question 26

When should you plan to deliver a fetus with FGR and REDF

Answer 26

32 wga

Question 27

When should you plan to deliver a fetus with FGR and oligo, PreE, cHTN, ect

Answer 27

34wga - 37wga