What is the definition or description of: congenital malformation?

Congenital defect: Congenital malformation is aphysical defect present in a baby at birth that can involve many different parts of the body, including the brain, heart, lungs, liver, bones, and intestinal tract. Congenital malformation can be genetic, it can result from exposure of the fetus to a malforming agent (such as alcohol), or it can be of unknown origin.