Urinary Cadmium and Cotinine Levels and Hair Mercury Levels in Czech Children and Their Mothers Within the Framework of the COPHES/DEMOCOPHES Projects

Archives of Environmental Contamination and Toxicology
Kateřina ForysováMilena Cerná

Abstract

The COPHES/DEMOCOPHES twin project was performed in 2011-2012 in 17 European countries to harmonize all steps of the human biomonitoring survey. Urinary cadmium, cotinine, phthalate metabolites, and hair mercury were measured in children (N = 120, 6-11 years) and their mothers of reproductive age, living in urban or rural areas. Cadmium in mothers' and children's urine was detected at a geometric mean (GM) concentration 0.227 and 0.109 μg/L, respectively; 95th percentile (P95) was 0.655 and 0.280 μg/L in mothers and children, respectively. No age-related, education-related, or urban versus rural differences were observed within the frame of each population group. Cadmium urinary level in mothers was about twofold compared with children. Higher levels were obtained in all smoking mothers but not in occasionally smoking or mothers and children exposed to environmental tobacco smoke (ETS). Mercury values in mothers were significantly higher in urban than in rural populations but not in children. GM and P95 for mercury in children's hair were 0.098 and 0.439 μg/g and in mothers' hair were 0.155 and 0.570 μg/g. Concentrations for mercury in the Czech samples were lower than European average. Hair mercury increased significantly with...Continue Reading

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Citations

May 29, 2019·Basic & Clinical Pharmacology & Toxicology·Geir BjørklundJan Aaseth
Dec 7, 2018·International Journal of Environmental Research and Public Health·Sònia TorresNoelia Ramírez
Mar 15, 2020·European Journal of Epidemiology·Sabrina LlopFerran Ballester
Mar 19, 2021·Environmental Analysis, Health and Toxicology·Lalit ChandravanshiSudhir Kumar

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