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Wu, JL,Zhang, CS,Pei, LJ,Chen, G,Zheng, XY
2014
August
Environmental Pollution
Association between risk of birth defects occurring level and arsenic concentrations in soils of Lvliang, Shanxi province of China
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Birth defects Chemical elements Risk difference Soil Arsenic NEURAL-TUBE DEFECTS DRINKING-WATER PLACENTAL CONCENTRATIONS INFANT-MORTALITY UNITED-STATES EXPOSURE LEAD POPULATION CADMIUM REGION
191
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7
The risk of birth defects is generally accredited with genetic factors, environmental causes, but the contribution of environmental factors to birth defects is still inconclusive. With the hypothesis of associations of geochemical features distribution and birth defects risk, we collected birth records and measured the chemical components in soil samples from a high prevalence area of birth defects in Shanxi province, China. The relative risk levels among villages were estimated with conditional spatial autoregressive model and the relationships between the risk levels of the villages and the 15 types of chemical elements concentration in the cropland and woodland soils were explored. The results revealed that the arsenic levels in cropland soil showed a significant association with birth defects occurring risk in this area, which is consistent with existing evidences of arsenic as a teratogen and warrants further investigation on arsenic exposure routine to birth defect occurring risk. (C) 2014 Elsevier Ltd. All rights reserved.
10.1016/j.envpol.2014.04.004
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