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  2. Congenital heart defects, multiple type

Congenital heart defects, multiple type

Definition:

Congenital heart defects (CHTD) are the most common major developmental anomalies and the most frequent cause for perinatal mortality, but their etiology remains often obscure. It is generally understood that abnormal cardiovascular development during embryogenesis may be attributed to an aberrant biological process that is heterogeneous and complex, with both environmental and genetic risk factors involved.

Biomedical Dictionary

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