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Aim: The aim of this study was to survey early preterm (prior to 32 weeks' gestation) singleton live births in Iwate Prefecture as a provincial model of the medical situation in Japan.
Materials and Methods: Data from 177 early preterm singleton live births, and 31 445 total live births (January 2005–December 2007) in Iwate Prefecture Japan were used to analyze the incidence of early preterm singleton...
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