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Birth defect

Definition(s)

A birth defect is an abnormality present at birth. Also called a congenital defect, it can be caused by a genetic mutation, an unfavorable environment during pregnancy, or a combination of both. The effect of a birth defect can be mild, severe, or incompatible with life.: Definition from: Talking Glossary of Genetic Terms from the National Human Genome Research Institute
A physical or biochemical defect (as cleft palate, phenylketonuria, or Down syndrome) that is present at birth and may be inherited or environmentally induced.: Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.


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