Any differences in progranulin levels in cervical fluid were revealed among the subgroups (infection: median 19.8 pg/mL, IQR 13.1–24.8; sterile: median 15.3 pg/mL, IQR 11.4–23.5; negative: median 16.5 pg/mL, IQR 11.4–23.0; p = 0.53; Fig. 2B). Here, GRN is linked to infection.