11p15, 5-methyltetrahydrofolate-homocysteine, 5-methyltetrahydrofolate-homocysteine S-methyltransferase, A, Arg1223His, Arg136Cys, BWS, Beckwith-Wiedemann syndrome, C, CBS, DMR LOM, DNMT1, DNMT1 locus, DNMT1 missense variants, G, His1118Arg, KCNQ1OT1, KCNQ1OT1 TSS, KCNQ1OT1 TSS-, KCNQ1OT1 TSS-DMR, MAT1A, MTHFR, MTHFR rs1801133, MTR, MTRR, NP, S, SNVs, cystathionine, cystathionine beta-synthase, early embryo, folate, hemimethylated DNA, human, imprinting disorder, methionine, methionine adenosyltransferase, methionine synthase reductase, methylenetetrahydrofolate, methylenetetrahydrofolate reductase, patients, rs138841970, rs150331990, rs1801133, rs757460628, wild-type DNMT1