| Abbreviations | Meaning |
 | NCRSP | National Congenital Rubella Surveillance Programme [UK] |
 | NHS-1 | First Natural History Study [of Congenital Heart Defects] |
 | CHD | Congenital Or Congestive Heart Disease |
 | CALP | Congenital Absence Of Left Pericardium |
 | NHS-2 | Second Natural History Study [of Congenital Heart Defects] |
 | CHS | Congenital Heart Surgeons Society [study] |
 | CLD | Congenital Limb Deficiency |
 | CAD | Congenital Abduction Deficiency |
 | CH | Congenital Hypothyroidism |
 | CHA | Congenital Hypoplasia Of Adrenal Glands |
 | VACA | Valvuloplasty And Angioplasty In Congenital Anomalies [registry] |
 | LCB | Laboratory Of Cancer Biology; Leber Congenital Blindness; Left Costal Border; Lymphomatosis Cutis Benigna |
 | CLAH | Congenital Lipoid Adrenal Hyperplasia |
 | CRB | Chemical, Radiological, And Biological; Congenital Retinal Blindness; Cramer-Rao Bound |
 | CC | Congenital Cardiopathy |