Answer :
Final answer:
A congenital disease is a condition that exists at or before birth, caused by genetic or environmental factors. Examples include cystic fibrosis, Down syndrome, and heart defects.
Explanation:
A congenital disease is a type of condition that exists at or before birth. It is caused by genetic or environmental factors that affect the development of the fetus. Examples of congenital diseases include cystic fibrosis, Down syndrome, and heart defects.
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