TGFB1 and abortion: We compared genotype and allele frequencies of each of 9 genes' SNPs (TLR2 G753A, TLR4 C399T, TLR9 G2848A, TGF-β1 C509T, PGR PROGINS, IL-6 G174C, IL-8 C781T, IL-10 C592A, and TNFα G308A) in 106 women with spontaneous abortion and in the control group of 74 women who delivered in term (Figure 1, Tables 1, , , , , , , , , , , , , , , , –18).