Inclusion Criteria:  Singleton pregnancies Non-malformed fetus Pregnancies with fetal growth restriction 24-32.6 weeks of gestation  Exclusion Criteria:  Chromosomal or structural abnormalities diagnosed during pregnancy or in the neonatal period Critical Doppler study suggesting the need for delivery within the next 14 days at the time of diagnosis: reverse end-diastolic velocity in the umbilical artery or ductus venosus pulsatility >95th centile Maternal mental or psychiatric disorders Maternal allergy to cow's milk protein