SGA & FGR

SGA vs FGR

SGA

SGA: AC or EFW <10th centile for its gestation

  • Fetuses are constitutionally small, healthy and not compromised
  • No structural anomalies, adequate liquor, normal umbilical artery doppler waveform and normal growth velocity.

FGR

FGR: underlying pathological that restricts the fetal growth

  • majority are due to placental insufficiency
  • Other causes: Structural anomalies, chromosomal & other genetic anomalies; intrauterine infections

Risk Factors & Causes