showed that in neonates with LBW, who were related to prenatal preeclampsia, prenatal UTI, and vaginitis/vaginosis, IL-6 reached higher values of up to 414 pg/μl, with a 90th percentile of up to 215 pg/μl, which is attributed to the presence of EONS (González-Andrade et al., 2019). Here, IL6 is linked to bacterial urinary tract infection.