Analysis of Differences in Preterm Birth Rates According to Household Occupation in Japan From 2007 to 2019.

J Prev Med Public Health · 2022 · PMC9371782 · PMID 35940192

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an increasing trendno p-value reported

An increasing trend was observed in China and multiple European countries [ 5 , 6 ], in part due to an increase in multiple pregnancies, among other factors [ 5 ].

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