Table 2.

Inclusion/exclusion criteria of the normal and IUGR subgroups

	Inclusion criteria	Exclusion criteria
Normal pregnancies group	Singleton pregnancy, lack of systemic disease, normal fetal morphology, fetal growth appropriate for gestational age, gestational age above the 22nd week, visualization of the entire placenta	Multiple pregnancy, systemic disease, incorrect fetal NT value between the 11th and the 13,6th weeks of gestation, abnormal fetal karyotype, fetal malformations, fetal growth inappropriate for gestational age, gestational age under the 22nd week abnormal localization of the placenta, inability to visualize the entire placenta drug, alcohol, nicotine abuse
IUGR pregnancies group	Singleton pregnancy, estimated fetal weight below the 10th percentile for gestational age, gestational age above the 22nd week, the diagnosis of IUGR confirmed after delivery	Multiple pregnancy, unknown date of delivery, estimated fetal weight above the 10th percentile for a given gestational age, diagnosis of IUGR not confirmed after the delivery, inability to visualize the entire placenta