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Researchers have discovered a genetic marker that could help to predict the risk of an unexpected premature birth.
The discovery might also explain why African-American women seem to be more at risk of having a premature birth than their white counterparts.
US researchers found African-American babies were three times more likely than babies of European descent to carry the key genetic variant.
Full article: http://news.bbc.co.uk/1/hi/health/5264288.stm
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