TNF and polycystic ovary syndrome: Various inflammatory markers, such as high sensitive C-reactive protein (hsCRP), tumor necrosis factor α (TNFα), interleukin-1a (IL-1a), interleukin-1b (IL-1b), interleukin-6 (IL-6) and interleukin-18 (IL-18) were studied in PCOS patients [18].