Congenital heart defects
Critical congenital heart defects (CCHD) present during the neonatal period with cyanosis and/or cardiac failure depending on the particular defect and its severity. The incidence of the CCHD is approximately 1-3 : 1000. These defects can be diagnosed antenatally, however, anomaly scan detection rates vary significantly among different countries and also within the same country (e.g. 33-70% prenatal CCHD diagnosis in…