Context

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 …