Table 1 FGR definition in recent literature
| Institution / Author | FGR definition |
|---|---|
| Baschat et al 2007 [101] | Combination of small fetal AC with elevated UA Doppler blood flow resistance |
| Cochrane 2013 [65] | Failure to reach the growth potential |
| DIGITAT 2012 [38] | EFW or AC <10th centile for gestational age |
| ACOG 2013 [40] | Fetuses with EFW <10th centile for gestational age |
| RCOG 2013 [41] |
Small–for–gestational age (SGA) refers to an infant born with a birth weight less than the 10th centile. Fetal growth restriction (FGR) is not synonymous with SGA. |
| SOGC 2013 [39] | Intrauterine growth restriction refers to a fetus with a EFW <10th centile on ultrasound that, because of a pathologic process, has not attained its biologically determined growth potential. |
| PORTO 2013 [6] | EFW < 5th percentile & umbilical artery PI >95th percentile |
| TRUFFLE 2013 [3] | AC < 10th percentile & umbilical artery PI >95th percentile |
| Gordijin et al 2016 [43] |
AC <3rd centile OR EFW <3rd centile OR AREDF OR Both of the following: 1) EFW or AC < 10th centile and 2) UtA PI >95th centile OR UA PI >95th centile. |