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Effects of bisphenol A on adult male mouse fertility

Effects of bisphenol A on adult male mouse fertility The aim of this investigation was to evaluate the effect of bisphenol A (BPA), a contaminant of resin‐based dental composites and sealants, on the fertility of male mice. Forty adult male Swiss mice were divided into four groups of 10. BPA (5, 25 and 100 ng kg−1) was administered intragastrically daily to the mice in the test groups and distilled water to the control group for 28 d. Male fertility was assessed by mating each mouse with two untreated females. Females mated with male mice having ingested 25 and 100 ng kg−1 BPA showed a significant reduction in pregnancy rates. Furthermore, the total number of resorptions out of the total number of implantations was significantly increased in females impregnated with males having ingested all three doses of BPA. Males having ingested 25 and 100 ng kg−1 BPA showed a significant reduction in testicular sperm counts and in the efficiency of sperm production. Epididymal sperm counts were also significantly reduced in males that had ingested BPA. There were significant reductions in the absolute weights of the testes and seminal vesicles. These results suggest that male fertility and reproduction is impaired by bisphenol A. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Oral Sciences Wiley

Effects of bisphenol A on adult male mouse fertility

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References (26)

Publisher
Wiley
Copyright
Copyright © 2002 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0909-8836
eISSN
1600-0722
DOI
10.1034/j.1600-0722.2002.11201.x
Publisher site
See Article on Publisher Site

Abstract

The aim of this investigation was to evaluate the effect of bisphenol A (BPA), a contaminant of resin‐based dental composites and sealants, on the fertility of male mice. Forty adult male Swiss mice were divided into four groups of 10. BPA (5, 25 and 100 ng kg−1) was administered intragastrically daily to the mice in the test groups and distilled water to the control group for 28 d. Male fertility was assessed by mating each mouse with two untreated females. Females mated with male mice having ingested 25 and 100 ng kg−1 BPA showed a significant reduction in pregnancy rates. Furthermore, the total number of resorptions out of the total number of implantations was significantly increased in females impregnated with males having ingested all three doses of BPA. Males having ingested 25 and 100 ng kg−1 BPA showed a significant reduction in testicular sperm counts and in the efficiency of sperm production. Epididymal sperm counts were also significantly reduced in males that had ingested BPA. There were significant reductions in the absolute weights of the testes and seminal vesicles. These results suggest that male fertility and reproduction is impaired by bisphenol A.

Journal

European Journal of Oral Sciences – Wiley

Published: Apr 1, 2002

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