Introduction
EFW
SECONDARY, FETAL GROWTH RESTRICTION, PERINATAL MORBIDITY
Fetal undergrowth as often characterized by fetal growth restriction (FGR) and small-for-gestational age (SGA) is associated with an increased risk of perinatal morbidity and mortality [The primary metric of the Gardosi method is a customized term optimal birthweight (TOW) at 40 weeks which is then extrapolated to EFW at any gestational time using the proportionality model [This study was a secondary analysis of the NICHD Fetal Growth Studies–Singletons, a prospective pregnancy cohort study with the primary aim to establish fetal growth standards for size and velocity in the U.S. [