Any abnormality, anatomical or biochemical, evident at birth or during the neonatal period.

Synonyms: congenital anomalies of fetus defect/deformity, congenital congenital defect/deformity congenital anatomic Abnormality congenital anatomical Abnormality SCONG congenital defect congenital anomaly or birth defect congenital anomaly congenital Abnormality defect/deformity, Congenital deformity/defect, Congenital congenital malformation physical disorder birth defect congenital abnormality congenital deformity