Table 1. The summarized polymorphism information of the investigated SNPs in current study.
Gene name (rs)	Genomic position (hg38)	Position	Amino acid change
Factor V Lieden G1691A (rs6025)	chr1:169549811 g.169549811 C>T	NM_000130.5:c.1601G>A	p.Arg534Gln
MTHFR C677T (rs1801133)	chr1:11796321 g.11796321 G>A	NM_005957.5: c.66 5C>T	p.Ala222Gly
MTHFR A1298C (rs1801131)	chr1:11794419 g.11794419T>G	NM_005957.4: c.1286A>C	p.Glu429Ala