Unusual sex ratio of births to carbon setter fathers.

@article{Milham1993UnusualSR,
  title={Unusual sex ratio of births to carbon setter fathers.},
  author={Samuel Milham},
  journal={American journal of industrial medicine},
  year={1993},
  volume={23 5},
  pages={829-31}
}
  • Samuel Milham
  • Published 1993 in American journal of industrial medicine
In the years of 1980-1990, there were 139 birth records filed in Washington State on which father's occupation was designated as "carbon setter," a job title specific to aluminum reduction plants of the prebake type. Fifty-three (53) of these records specified sex of the birth as male, while 86 records specified sex of the infant as female. This gives a sex ratio of 0.381, which is a significant departure from the usual sex ratio at birth (proportion male = 0.512). Surveillance of sex ratio by… CONTINUE READING

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