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" Air pollution could be responsible for increased miscarriage rates and fewer births of baby boys, a new study suggests.  A Brazilian research team from Sau Paulo University discovered that fewer boys were born in pollution-choked areas, echoing the findings of earlier tests on mice which showed that pollution caused unequal number of males and females to be born.  Lead researcher Ana Lichtenfels told the annual meeting of the American Society for Reproductive Medicine, held in Montreal, Canada: &amp;quot;The findings of our study support the concept that ambient air pollution may have a direct negative correlation with sex distribution of exposed population.&amp;quot;  The team examined birth registries to determine the number of boys and girls born in each area in order to compare them to pollution levels.  In less polluted areas 51.7 per cent of babies born were male, while the percentage dropped by one per cent to 50.7 per cent in significantly more polluted areas.  Previous research has shown that boys are more likely to suffer complications in the womb if exposed to harsh conditions while female foetuses tend to be more robust.  Fertility experts commented that the subject should be closely monitored.  \u00A9 Adfero Ltd "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/parenting/pregnancy/news/a12771/pollution-reduces-boy-births/>