There were significant differences in serum Iron (11.35 ± 5.58 vs. 16.01 ± 4.26), NT‐pro‐BNP levels (4883.17 ± 7695.15 vs. 493.32 ± 360.39), left anterior descending artery (39.98 ± 7.24 vs. 35.97 ± 5.04), and left ventricular ejection fraction (52.03 ± 10.74 vs. 58.43 ± 7.35) between the HF and control group. The gene discussed is NPPB; the disease is hydrops fetalis.