Maternal overweight and obesity in early pregnancy and risk of infant mortality: a population based cohort study in Sweden

To investigate associations between maternal overweight and obesity and infant mortality outcomes, including cause-specific mortality.Population based cohort study.1,857,822 live single births in Sweden 1992-2010.Associations between maternal body mass index (BMI) in early pregnancy and risks of infant, neonatal, and postneonatal mortality, overall and stratified by gestational length and by causes of infant death. Odds ratios were adjusted for...