Moreover, when compared to TFI patients, women with endometriosis had higher levels of follicular TNF-α (age-adjusted r = 2.6 pg/mL, P = 0.047) and IFN-γ (adjusted by follicular number prior to stimulation r = 16.4 pg/mL, P = 0.030). The gene discussed is IFNG; the disease is endometriosis.