A previous study by van Well GTJ et al. (22) had shown that maternal chorioamnionitis stimulates interleukin-6 production by fetal and placental cells, and interleukin-6 promotes lung maturation by stimulating the synthesis of surfactant-associated protein-A, which may reduce the incidence of PPV resuscitation at birth at a certain extent. This evidence concerns the gene IL6 and chorioamnionitis.