EN
Lead levels in cord blood (PbB) of 92 neonates living in the town of Chorzów (Upper Silesia) have been determined. The mean PbB concentration was 5.29mg/dl (SD= 2.24) in the all investigated groups.The mean Pb-CB was higher in preterm babies (x= 6.87mg/dl, SD=1.67 ), especially in boys. Pb-CB concentrations were higher in the neonates born to mothers aged more than 30 years, smoking before and during pregnancy, having bad living conditions, living close to gasoline station.