a 2005 study, researchers detected the presence of 287 industrial chemicals, including flame retardants, pesticides, and dioxins,
in the fetal-cord blood of ten newborns. A 2021
study identified 55 chemicals never before found in humans in maternal and fetal serum samples from pregnant women. Poignantly, breast milk has been shown to contain dry-cleaning chemicals, paint thinners, and flame retardants, among other chemicals.