Growth restriction

Question 1

What are the criteria for early onset fetal growth restriction (< 32 weeks gestation)?

Answer 1

1 of the 3 criteria should be present:
1) EFW or AC < 3rd percentile
2) Late changes in umbilical artery doppler - AEDF or REDF.
3) EFW < 10th percentile with abnormal umbilical artery doppler.

Question 2

What are the criteria late onset fetal growth restriction (>32 weeks gestation)?

Answer 2

1) EFW or AC < 3rd centile alone.

OR 2 of the following:
1) AC or EFW < 10th centile.
2) AC or EFW crossing 2 quartiles.
3) Umbilical artery doppler > 95 percentile or cerebroplacental ratio < 5th centile.

Question 3

What are the criteria referral to have growth scans to detect fetal growth restriction?

Answer 3

1) BMI > 35
2) Polyhydramnios
3) Large fibroids

Question 4

How do you assess for placental factor cause of fetal growth restriction?

Answer 4

From viability to 36/40 send sFlt1/PIGF ratio test.