Flu may explain seasonal birth differences: study

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Flu may explain seasonal birth differences: study

By Genevra Pittman NEW YORK (Reuters Health) - Research has long shown slight health differences among babies born at different times during the year, and a new study suggests seasonal flu may be a contributing factor. In the study of over 600,000 women who each had more than one child, researchers found a dip in average pregnancy length - and thus an increase in premature births - for infants conceived in May. Most of those babies were born at the height of flu season, in early- to mid-winter. ...

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