National cohort study investigates the relationship between regional cesarean delivery rates and maternal and neonatal outcomes, challenging historical international targets.
( BJOG 2025;132:1781–1788. doi:10.1111/1471-0528.18301) A national cohort study explored the safest population-level rate of cesarean delivery (CD) by analyzing natural variations across municipalities in Norway, a country with universal access to high-quality health care. For decades, a CD rate of 10% to 15% has been considered optimal by the WHO, though this recommendation has been supported by limited empirical evidence. Using extensive registry data, this study aimed to assess how differing local CD rates relate to maternal and neonatal outcomes.
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Moster et al. (2026) studied this question.
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