Table 2.

Distribution of genotypes in the study population.

Polymorphism	Genotypes: N° of Subjects (%)
MTHFR 677C>T	CC: 72 (35.0%), CT: 91 (44.2%), TT: 43 (20.8%)
MTHFR 1298A>C	AA: 95 (46.1%), AC: 95 (46.1%), CC: 16 (7.8%)
MTRR 66A>G	AA: 61 (29.6%), AG: 105 (51.0%), GG: 40 (19.4%)
MTR 2756A>G	AA: 157 (76.2%), AG: 47 (22.8%), GG: 2 (1.0%)
RFC-1 80G>A	GG: 62 (30%), GA: 113 (54.9%), AA: 31 (15.1%)
TYMS 28bp Repeats	3R3R: 52 (25.2%), 3R2R: 108 (52.4%), 2R2R: 46 (22.4%)
TYMS 1494 6bp ins/del	ins/ins:64 (31.1%), ins/del: 108 (52.4%), del/del: 34 (16.5%)
DNMT3A -448G>A	GG: 170 (82.3%), GA: 36 (17.7%), AA: 0 (0.0%)
DNMT3B -149C>T	CC: 90 (43.7%), CT: 96 (46.6%), TT: 20 (9.7%)