More Smokes = Fewer Sons?

Heavy smokers appear to have a reduced chance of conceiving male children, according to a new report by researchers in Japan and Denmark. During the past few decades, the birth ratio of male to female children has declined substantially in a number of developed countries, and some scientists have su...

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Bibliographic Details
Published in:JAMA : the journal of the American Medical Association 2002-05, Vol.287 (18), p.2353-2353
Main Author: Stephenson, Joan
Format: Article
Language:English
Subjects:
Gender
Males
Reproduction
Smoking
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Online Access:Get full text
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Summary:Heavy smokers appear to have a reduced chance of conceiving male children, according to a new report by researchers in Japan and Denmark. During the past few decades, the birth ratio of male to female children has declined substantially in a number of developed countries, and some scientists have suggested that chronic exposure to environmental toxins may disproportionately affect men and the male reproductive system.
ISSN:0098-7484
1538-3598
DOI:10.1001/jama.287.18.2353