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Environmental Chemicals in Pregnant Women in the United States: NHANES 2003-2004

Environmental health perspectives, 2011-06, Vol.119 (6), p.878-885 [Peer Reviewed Journal]

2015 INIST-CNRS ;COPYRIGHT 2011 National Institute of Environmental Health Sciences ;COPYRIGHT 2011 National Institute of Environmental Health Sciences ;Copyright National Institute of Environmental Health Sciences Jun 2011 ;2011 ;ISSN: 0091-6765 ;EISSN: 1552-9924 ;DOI: 10.1289/ehp.1002727 ;PMID: 21233055 ;CODEN: EVHPAZ

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Title:
Environmental Chemicals in Pregnant Women in the United States: NHANES 2003-2004
Author: Woodruff, Tracey J. ; Zota, Ami R. ; Schwartz, Jackie M.
Subjects: Adolescent ; Adult ; Biological and medical sciences ; Chemical hazards ; Chemicals ; Children's Health ; Diabetes. Impaired glucose tolerance ; Endocrine pancreas. Apud cells (diseases) ; Endocrinopathies ; Environment. Living conditions ; Environmental aspects ; Environmental Exposure ; Environmental health ; Environmental Pollutants - analysis ; Environmental Pollutants - classification ; Etiopathogenesis. Screening. Investigations. Target tissue resistance ; Exposure ; Female ; Halogenated diphenyl ethers ; Health ; Health aspects ; Health Surveys ; Humans ; Mathematical analysis ; Medical sciences ; Pesticides ; Phthalates ; Policies ; Polychlorinated biphenyls ; Pregnancy ; Pregnant women ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; Samples ; Statistical methods ; Toxicology ; United States ; Urine ; Womens health ; Young Adult
Is Part Of: Environmental health perspectives, 2011-06, Vol.119 (6), p.878-885
Description: Background: Exposure to chemicals during fetal development can increase the risk of adverse health effects, and while biomonitoring studies suggest pregnant women are exposed to chemicals, little is known about the extent of multiple chemicals exposures among pregnant women in the United States. Objective: We analyzed biomonitoring data from the National Health and Nutritional Examination Survey (NHANES) to characterize both individual and multiple chemical exposures in U.S. pregnant women. Methods: We analyzed data for 163 chemical analytes in 12 chemical classes for subsamples of 268 pregnant women from NHANES 2003-2004, a nationally representative sample of the U.S. population. For each chemical analyte, we calculated descriptive statistics. We calculated the number of chemicals detected within the following chemical classes: polybrominated diphenyl ethers (PBDEs), perfluorinated compounds (PFCs), organochlorine pesticides, and phthalates and across multiple chemical classes. We compared chemical analyte concentrations for pregnant and nonpregnant women using least-squares geometric means, adjusting for demographic and physiological covariates. Results: The percentage of pregnant women with detectable levels of an individual chemical ranged from 0 to 100%. Certain polychlorinated biphenyls, organochlorine pesticides, PFCs, phenols, PBDEs, phthalates, polycydic aromatic hydrocarbons, and perchlorate were detected in 99-100% of pregnant women. The median number of detected chemicals by chemical class ranged from 4 of 12 PFCs to 9 of 13 phthalates. Across chemical classes, median number ranged from 8 of 17 chemical analytes to 50 of 71 chemical analytes. We found, generally, that levels in pregnant women were similar to or lower than levels in nonpregnant women; adjustment for covariates tended to increase levels in pregnant women compared with nonpregnant women. Conclusions: Pregnant women in the U.S. are exposed to multiple chemicals. Further efforts are warranted to understand sources of exposure and implications for policy making.
Publisher: Research Triangle Park, NC: National Institute of Environmental Health Sciences
Language: English
Identifier: ISSN: 0091-6765
EISSN: 1552-9924
DOI: 10.1289/ehp.1002727
PMID: 21233055
CODEN: EVHPAZ
Source: U.S. Government Documents
MEDLINE
PubMed Central
ProQuest Central
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Environmental Chemicals in Pregnant Women in the United States: NHANES 2003-2004

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