Table 1.

Consensus definition of early and late onset FGR.

	Early FGR	Late FGR
Gestation	<32 weeks	>32 weeks
Congenital anomalies	absent	absent
Estimated fetal weight or abdominal circumference	<3rd percentile or absent end-diastolic flow in the umbilical artery	<3rd percentile
OR		OR 2 out of
Estimated fetal weight or abdominal circumference	<10th percentile	<10th percentile or crossing > 2 quartiles on growth percentiles
Uterine artery pulsatility index	>95th percentile
Umbilical artery pulsatility index	>95th percentile	>95th percentile
Cerebroplacental ratio		<5th percentile