DNMT3A and fetal growth restriction: On the other hand, there was an inverse relationship between Dnmt3a and Kcnqot1 in the IUGR group, whereby at E20, there was a negative association (Spearman’s ρ = −0.421) and at PN1, there was a positive association (Spearman’s ρ = 0.370) (Fig. S1e, S1f and Table S3).