Table 1 Clinical data and mean methylation levels at GNAS and IGF2 DMRs

n

81

87

Maternal characteristic

Maternal age (y)

28.6 ± 3.4

30.61 ± 3.8

<0.001

Gestational age at delivery (w)

38.70 ± 1.37

37.56 ± 1.86

<0.001

Infant characteristics

Birth weight (g)

3288 ± 395

3559 ± 592

<0.001

Fetal gender

Male:41

Male:45

0.504

Female:40

Female:42

Methylataion data

methylation level at GNAS DMR

0.51 ± 0.056

0.52 ± 0.059

0.271

methylation level at IGF2 DMR

0.46 ± 0.043

0.46 ± 0.048

0.689