For Birth Defect we have terms and definitions in 3 topics. The topics are Genetics, Genome and Medical.

A physically or mentally disabling condition present in an individual at birth. There are more than 4,000 known birth defects, some of which are fatal. A birth defect may be caused by a faulty gene or by environmental factors during pregnancy, such as radiation exposure.
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Any harmful trait, physical or biochemical, present at birth, whether a result of a genetic mutation or some other nongenetic factor.
See also: congenital, gene, mutation, syndrome
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An abnormality that is present when a baby is born
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