Blood lead levels among pregnant women: historical versus contemporaneous exposures.
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Blood lead among pregnant women, even at modest levels, may impair offspring cognitive development. We examine whether blood lead levels (BLLs) result from current versus historic exposures, among a cohort of pregnant women. Cumulative logit models were used to characterize the relationship between maternal risk factors and higher BLLs. Maternal blood lead levels more likely result from lead remobilization from historic versus contemporaneous exposures. Even if all lead sources were abated immediately, women and their fetuses would experience lead exposure for decades. This work emphasizes the importance of addressing sources of environmental lead exposure in the United States and internationally.
Published Version (Please cite this version)10.3390/ijerph7041508
Publication InfoEdwards, Sharon E; Miranda, Marie Lynn; Neelon, Brian Hugh; Paul, Christopher J; & Swamy, Geeta Krishna (2010). Blood lead levels among pregnant women: historical versus contemporaneous exposures. Int J Environ Res Public Health, 7(4). pp. 1508-1519. 10.3390/ijerph7041508. Retrieved from http://hdl.handle.net/10161/13926.
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Adjunct Professor in the Division of Environmental Sciences and Policy
Dr. Miranda serves as the Director of the Children’s Environmental Health Initiative (CEHI) within the Nicholas School of the Environment, and is a faculty member in Duke’s Integrated Toxicology Program. With an educational background rooted in economic and mathematical modeling, her professional experiences integrate environmental health sciences with sound social policies. Dr. Miranda has extensive experience managing research projects using geographic information systems (GIS) bas
Associate Professor of Obstetrics and Gynecology
Dr. Geeta Swamy, MD, became Vice Chair for Research and Faculty Development in the Department of Obstetrics and Gynecology on March 1, 2018. In this dual role, Dr. Swamy oversees strategic development and administration of the Department’s basic, translational and clinical research programs, as well as implements and oversees programs to support development and mentorship for all faculty at all levels. Dr. Swamy has dedicated her career to advancing research in women’s he
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