Chorioamnionitis was only weakly correlated with amniotic fluid IL-6, IL-8 and TNF-α (Spearman's ρ = 0.23, p<0.001, ρ = 0.22, p<0.001, and ρ = 0.17, p = 0.003, respectively). The gene discussed is TNF; the disease is chorioamnionitis.