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Mean DNA hydroxymethylation percentage and 95% CI before pregnancy (n = 34), during pregnancy, and at delivery (n = 114); * %Global DNA hydroxymethylation pre-pregnancy was higher than % hydroxymethylation at 12 weeks (p = 0.003), 30 weeks (p = 0.006), and at delivery (p = 0.002); † %Global DNA hydroxymethylation at 20 weeks was higher than %hydroxymethylation at 12 weeks (p = 0.046), and delivery (p = 0.02).
