Perinatal Exposure to Environmentally Relevant Levels of Bisphenol A Decreases Fertility and Fecundity in CD-1 Mice
2011

Effects of Bisphenol A on Mouse Fertility

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Cabaton Nicolas J., Wadia Perinaaz R., Rubin Beverly S., Zalko Daniel, Schaeberle Cheryl M., Askenase Michael H., Gadbois Jennifer L., Tharp Andrew P., Whitt Gregory S., Sonnenschein Carlos, Soto Ana M.

Primary Institution: Tufts University School of Medicine

Hypothesis

Perinatal exposure to BPA impairs the reproductive function of exposed females.

Conclusion

Perinatal exposure to BPA leads to a dose-dependent decline in the reproductive capacity of female mice.

Supporting Evidence

  • BPA exposure resulted in a decrease in the cumulative number of pups born to treated mice.
  • The BPA 25 μg/kg group showed a significant decrease in the number of pregnancies.
  • The cumulative number of pups born to BPA 25 ng/kg and BPA 25 μg/kg dams was significantly lower than controls.

Takeaway

If baby mice are exposed to a chemical called BPA while their mothers are pregnant, they might have trouble having babies when they grow up.

Methodology

Female CD-1 mice were exposed to different doses of BPA during pregnancy and lactation, then mated with proven breeder males for 32 weeks to assess fertility and fecundity.

Limitations

The forced breeding protocol does not allow for detailed evaluation of fertilization, implantation, and pregnancy maintenance.

Participant Demographics

CD-1 female mice and proven breeder male mice.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1289/ehp.1002559

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