FCGBP and infection: Women with intra-amniotic infection had higher concentrations of amniotic fluid FcgammaBP than those without intra-amniotic infection (with infection: median 139.7 ng/mL, IQR 74.2–205.3 vs. without infection: median 22.2 ng/mL, IQR 16.5–46.0; Fig. 3a).