Congenital Heart Defects and Indices of Placental and Fetal Growth in a Nationwide Study of 924 422 Liveborn Infants

Congenital heart defects (CHDs) have been associated with placental anomalies. The nature and the consequences of this association remain poorly understood. We aimed to estimate the associations between all major subtypes of CHD and placental weight at birth, and the association between placental weight and measures of both overall and cerebral growth in fetuses with CHD, as well.We included all 924 422 liveborn Danish singletons, 1997 to 2011....