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Influence of birthweight on perinatal outcome in fetuses with antenatal diagnosis of congenital heart disease

The incidence of congenital heart disease (CHD) accounts for the largest proportion of infant mortality attributable to birth defects. Associations have previously been reported between CHD and low birthweight. Low birthweight is independently associated with adverse outcome and has characteristically been calculated using population‐based charts. This aim of this study was to determine the incidence of small for gestational age (SGA) in fetuses with CHD utilizing customized birthweight centiles and to determine the effect of SGA on adverse outcome.