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Cohort study
Maternal overweight and obesity in early pregnancy are associated with an increase in infant mortality risk
  1. Rebecca M Reynolds
  1. Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, UK
  1. Correspondence to: Professor Rebecca Reynolds, Endocrinology Unit, University/BHF Centre for Cardiovascular Science, Queen's Medical Research Institute, Edinburgh, EH16 4TJ, UK; r.reynolds{at}

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Rates of overweight and obesity among women of childbearing age are increasing worldwide. This has implications for infant health as pregnancy complications, including preeclampsia and gestational diabetes, are more common in women with a higher body mass index (BMI) and there may be more indications for medical preterm delivery. Findings from studies testing associations between maternal BMI and infant mortality are inconsistent, with little information on specific causes of infant mortality. This study used a large nationwide cohort to test associations between maternal BMI and infant, neonatal …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.