期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 374, 期 1, 页码 60-70出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2006.11.043
关键词
child; meconium; mercury; mother; newborn
Objectives: The purpose of this study is to investigate the chronic mercury intoxication in pregnant women and newborns living in Istanbul, Turkey. Methods: The research was carried out as a prospective with 143 pregnant women and their newborns. Venous blood from the mother, cord blood from the neonate, and meconiurn were collected for mercury analysis. Frequency of fish and vegetable-eating and the number of teeth filled were investigated. Analyses were made in cold vapor Atomic Absorption Spectrophotometer (AAS, mu g/L). Results: Mercury levels were 0.38 +/- 0.5 mu g/L (0-2.34) in venous blood of pregnant women, 0.50 +/- 0.64 mu g/L (0-2.36) in umbilical cord blood and 9.45 +/- 13.8 mu g/g (0-66.5) in mcconium. Maternal blood mercury level was lower than the known toxic limit for humans (EPA, 5 mu g/L). Mercury levels of the maternal venous blood were significantly correlated with umbilical cord blood. The primary risk factors affecting mercury levels were eating fishmeals more than twice a week and having filled teeth more than five. The fact that the mother had a regular vegetable diet everyday reduced the mercury levels. Increased levels of mercury in the mother and umbilical cord blood could lead to retarded newborns' weight and height. Conclusion: Pregnant women living in Istanbul may be not under the risk of chronic mercury intoxication. Fish consumption more than twice per week and tooth-filling of mother more than five may increase mercury level. On the contrary, regular diet rich in vegetable decreases the mercury level. (c) 2006 Elsevier B.V All rights reserved.
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