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MOTHERS who smoke early in [...].

MOTHERS who smoke early in pregnancy may sow the seeds of infertility in their unborn sons by arresting the development of sperm cells, new research suggests. Scientists found numbers of immature reproductive cells were dramatically reduced in male embryos exposed to effects of tobacco. The findings echo those of previous research showing a similar effect on female embryos. They were published alongside the results of a second study explaining why men who smoke may be putting their fertility at risk.

The new work sheds further light on the links between smoking and infertility, and reinforces public health advice urging couples to quit the habit before attempting to conceive.

Scientists compared the number of germ cells - immature cells that become sperm in males and eggs in females - in the testes of embryos from smoking and non-smoking women.
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Title Annotation:Features
Publication:Evening Chronicle (Newcastle, England)
Date:Sep 13, 2010
Words:136
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