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Blood lead levels during pregnancy and its influencing factors in Nanjing, China / 中国医学科学杂志(英文版)
Article em En | WPRIM | ID: wpr-243210
Biblioteca responsável: WPRO
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the blood lead levels (BLLs) in the duration of pregnancy and 6-12 weeks after delivery, and analyze the influencing factors of BLLs in healthy pregnant women.</p><p><b>METHODS</b>Pregnant women were recruited from September 2009 to February 2010 at the prenatal clinic in Nanjing Maternity and Child Health Care Hospital. Altogether 174 healthy pregnant women without pregnant or obstetric complications or abnormal pregnancy outcomes were enrolled as the gravida group, and 120 healthy non-pregnant women as the control group. BLLs during pregnancy were determined by flame atomic absorption spectroscopy.</p><p><b>RESULTS</b>BLLs in all the three pregnancy trimesters and postpartum were 59.8±24.3, 55.4±20.1, 55.9±19.7, and 67.6±17.4 μg/L, respectively, and the mean BLL in control group was 67.5±21.3 μg/L. BLLs during all the three trimesters were lower in the gravida group than in the control group (P=0.043, 0.021, and 0.028). Furthermore, occupations, nutrients supplementation, and time of house/apartment painted were associated with BLLs in pregnant women. Lead-related occupations, cosmetics use, and living in a house painted less than 1 year before are risk factors of high BLLs among pregnant women, while calcium, iron, zinc, and milk supplements are protective factors.</p><p><b>CONCLUSION</b>Supplementing calcium, iron, zinc, and milk, or avoiding contact with risk factors may help people, especially pregnant women, to reduce lead exposure.</p>
Assuntos
Texto completo: 1 Base de dados: WPRIM Assunto principal: Sangue / Chumbo Tipo de estudo: Risk_factors_studies Limite: Adult / Female / Humans / Pregnancy Idioma: En Revista: Chinese Medical Sciences Journal Ano de publicação: 2013 Tipo de documento: Article
Texto completo: 1 Base de dados: WPRIM Assunto principal: Sangue / Chumbo Tipo de estudo: Risk_factors_studies Limite: Adult / Female / Humans / Pregnancy Idioma: En Revista: Chinese Medical Sciences Journal Ano de publicação: 2013 Tipo de documento: Article