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KMID : 0376219960320010089
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Chonnam Medical Journal
1996 Volume.32 No. 1 p.89 ~ p.100
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Relationship between Placental Heavy Metal Concentration and Environmental Factors
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Abstract
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In order to estimate the relationship of human placental lead(pb) and cadmium (Cd) concentrations to demographic variables and to investigate the effects of environmental and habitual factors on human placental lead and cadmium concentrations, a
study
was performed on 107 women normally delivered baby at a hospital located in newly industrialized area.
@ES The results were summarized as follows.
@EN 1. Placental Pb concentrations showed a log-normal distribution, and the arithmetic (±SD) and geometric means were 137 (±121) ng/g and 81 ng/g respectively.
2. Placental Cd concentrations showed a log-normal distribution, and the arithmetic (±SD)and geometric means were 28 (±20) ng/g 20 ng/g respectively.
3. The kind of drinking water and the occupational status were the factors significantly related with placental Pb concentrations.
4. Notifiable factors related with placental heavy metal concentrations, though not statistically significant, were socioeconmic status, smoking, and residence for Pb, and ec economic status, smoking, and parity for Cd.
In conclusion, the concentrations of placental Pb were affected by environmental factors more sensitively than those of Cd, and it was suggested that the objective evaluation of environmental conditions should be performed in further study.
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KEYWORD
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