Placental Vitamin D-Binding Protein Expression in Human Idiopathic Fetal Growth Restriction
Table 1
Clinical inclusion criteria for FGR.
Patient characteristics
FGR-affected ()
Fetal birthweight
<10th centile
18 (100%)
<3rd centile
11 (61%)
Fetal growth pattern (HC : AC ratio)
Asymmetrical (≥1.2)
10 (56%)
Symmetrical (<1.2)
8 (44%)
Amniotic fluid index
Abnormal (≤7)
9 (50%)
Normal (>7)
9 (50%)
Umbilical artery Doppler
Abnormal (S : D ratio > 95th percentile or absent EDF)
8 (44%)
Normal (S : D ratio < 95th percentile)
10 (56%)
Fetal growth trajectory
Significantly impaired (≥30% drop during the third trimester)
2 (11%)
Adequate (<30% deviation)
16 (89%)
Maternal factors
Gestational diabetes
1 (6%)
Preeclampsia
1 (6%)
Chronic hypertension
1 (6%)
Smoking
5 (28%)
Alcohol abuse
1 (6%)
HC : AC: head circumference : abdominal circumference ratio. S : D: systolic : diastolic ratio. EDF: end-diastolic flow. Patients may fulfil more than one category.