NPPB and hydrops fetalis: The severity and prognosis of various biomarkers for HF have been widely discussed, including B-type natriuretic peptide (BNP), NT-proBNP [4,5,6], neutrophils gelatinase-related lipid calin [7], soluble ST2, troponin, central preadrenal medlin, copeptin, chromogranin A, and S100B protein [8].