Usefulness of brain-type natriuretic peptide (BNP) levels in pregnancy

BNP and NT-proBNP are widely used in emergency settings to differentiate cardiac from non-cardiac causes of dyspnoea and heart failure, but their use in pregnancy-specific conditions remains. The fluctuation of BNP levels with pre-existing cardiac, renal disease and obesity needs further evaluation to identify a useful cut-off for the use of BNP in pregnancy.