Concentrations of polychlorinated dibenzodioxins, polychlorodibenzofurans, and polychlorobiphenyls in women of reproductive age in Italy: A human biomonitoring study

•Largest human biomonitoring study in women of reproductive age in Italy.•Age and residential area were the variables that most affected contaminant levels.•PCDDs+PCDFs levels were significantly higher in women residing in industrial areas.•A downward temporal trend in exposure was observed for PCDDs+PCDFs and PCBs.