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Gender Influence - Leaner diets cause birth of girls; richer diets boys
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Research suggests that a woman’s diet around conception may influence the gender of the child’s birth. It suggests that high calorie diets (can we call that a diet?) gives the odds that a baby boy will be born, and low calorie diets girls. That explains why in poor countries there are more girls born.
It is known from IVF research that high levels of glucose encourage the growth and development of male embryos while inhibiting female embryos.
In humans, skipping breakfast depresses glucose levels and so may be interpreted by the body as indicating poor environmental conditions and low food availability.
Dr Allan Pacey, an expert in fertility at the University of Sheffield, said there was good evidence that nature had subtle ways of changing the sex ratio of a population in response to a variety of circumstances.
(news.bbc)
Via: news.bbc
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