TNF and polycystic ovary syndrome: Our findings showed a strong link between TNF-α GA as well as TNF-α AA genotypes and PCOS predisposition in the codominant model (TNF-α-GG vs. AA) with an OR of 2.21, p < 0.006, and (TNF-α-GG vs. GA) with an OR of 7.22, p < 0.012 (Table 4).