The median maternal plasma visfatin concentration was higher than in the umbilical blood in the normal pregnancy group (18.7 ng/ml, IQR: 12.7–21.3 vs. 7.3 ng/ml, IQR: 6.1–7.9, respectively, p<0.001), SGA group (18.0 ng/ml, IQR: 16.4–23.0 vs. 6.7 ng/ml, IQR: 5.7–8.5, p<0.001),and in the preeclampsia group (16.5 ng/ml, IQR: 13.1–22.6 vs. 7.6 ng/ml, IQR: 6.4–8.2, p<0.001).