TNFα expression in bovine COC cultured in PF from infertile women with endometriosis increased compared to those in control group, whereas TNFα expression in bovine COC cultured in PF from infertile women with endometriosis added with curcumin reduced compared to those cultured without curcumin; however, the level increased compared to the control (p≤ 0.001) (Figure 2). Here, TNF is linked to endometriosis.