Epigenome-wide profiling of buccal DNAm in samples obtained from children of pregnant smokers enrolled in the VCSIP RCT: NCT03203603

DNA methylation analysis was performed for buccal samples from children exposed in utero to maternal smoking during pregnancy (with or without vitamin C supplementation) and in a smaller number of non-smoker controls Illumina MethylationEPIC analysis of buccal samples collected in offspring near birth, 1 year, and/or 5 years of age.