Daily Phthalate Exposures in Mothers of Male Infants with Reduced Anogenital Distance
Author Information
Author(s): Kevin Marsee, Tracey J. Woodruff, Daniel A. Axelrad, Antonia M. Calafat, Shanna H. Swan
Primary Institution: University of California, Berkeley
Hypothesis
Are prenatal phthalate exposures associated with reduced anogenital distance in male infants?
Conclusion
The study found that estimated daily exposures to certain phthalates in mothers were significantly lower than the U.S. EPA reference doses, suggesting potential implications for risk assessments.
Supporting Evidence
- Phthalates are found in many consumer products and have been linked to developmental issues in animal studies.
- The study population's median phthalate exposure estimates were significantly lower than the EPA's reference doses.
- Prenatal exposure to phthalates was associated with reduced anogenital distance in male infants.
Takeaway
Moms who were exposed to certain chemicals called phthalates during pregnancy had baby boys with shorter body parts that are usually a sign of healthy development.
Methodology
The study used two pharmacokinetic models to estimate daily phthalate exposures based on urinary metabolite concentrations from mother-infant pairs.
Potential Biases
Potential biases may arise from the reliance on urinary concentrations as biomarkers of exposure.
Limitations
The study relies on self-reported data and may not account for all exposure routes.
Participant Demographics
The study involved pregnant women from various prenatal clinics in California, Minnesota, and Missouri.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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