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Association of prenatal urinary phthalate metabolite concentrations and childhood BMI and obesity

Open access
Harley, Kim G, Berger, Kimberly, Rauch, Stephen, Kogut, Katherine, Claus Henn, Birgit, Calafat, Antonia M, Huen, Karen, Eskenazi, Brenda, Holland, Nina·2017·Pediatric Research

Abstract

BackgroundAlthough experiments in animals suggest that phthalates may have obesogenic effects, studies on prenatal exposure in children show inconsistent results.MethodsWe measured urinary concentrations of 11 phthalate metabolites collected twice during pregnancy from mothers participating in the Center for the Health Assessment of Mothers and Children of Salinas (CHAMACOS) cohort study (N=345). Height, weight, waist circumference, and percent body fat were assessed in their children between 5 and 12 years of age. We used generalized estimating equations to examine associations at each age and tested for interaction by sex.ResultsMetabolites of diethyl phthalate (DEP), di-n-butyl phthalate (DBP), butyl benzyl phthalate, and di(2-ethylhexyl) phthalate (DEHP) were positively associated with BMI z-score, waist circumference z-score, and percent body fat at multiple ages. At age 12, we observed increased odds of being overweight/obese with each doubling of prenatal concentrations of DEP (odds ratio=1.3; 95% confidence intervals: 1.1, 1.4), DBP (1.2; 1.0, 1.4), and DEHP (1.3; 1.0, 1.6) metabolites. Results were similar in boys and girls except for DBP metabolites and the non-specific metabolite mono-(3-carboxypropyl) phthalate, which showed positive associations only in boys.ConclusionIn utero exposure to certain phthalates is associated with increased BMI and risk for overweight/obesity in childhood.

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Metadata

Authors
Harley, K. G., Berger, K., Rauch, S., Kogut, K., Claus Henn, B., Calafat, A. M., Huen, K., Eskenazi, B., & Holland, N.
Venue
Pediatric Research
Published
2017-05-31
Volume
82
Issue
3
Pages
405-415
ISSN
  • 0031-3998 (ISSN-L)
  • 1530-0447
OpenAlex
W2607316897
Cited by
166
References
2
FWCI
7.65
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Association of prenatal urinary phthalate metabolite concentrations and childhood BMI and obesity. https://app.cochat.ai/papers/10.1038/pr.2017.112
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Harley, K. G., Berger, K., Rauch, S., Kogut, K., Claus Henn, B., Calafat, A. M., Huen, K., Eskenazi, B., & Holland, N. (2017). Association of prenatal urinary phthalate metabolite concentrations and childhood BMI and obesity. Pediatric Research. https://doi.org/10.1038/pr.2017.112

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