Elective cesarean delivery at term and its effects on respiratory distress at birth in Japan: The Japan Environment and Children's Study.

Health Sci Rep · 2021 · PMC8516032 · PMID 34693029

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an increasing trendno p-value reported

An increasing trend of low birth weights in Japan since the 1970s 18 , 19 , 20 suggests an increase in early‐term births; however, a trend in early‐term births and its impact on child health in Japan is unknown.

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