📁 先天
Existing at birth. The word "defect" is more accurate then "disease". There is NO known cause for CHD. It is the #1 defect that a child can be born with and occurs in about 1% of live births.
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Existing at birth. The word "defect" is more accurate then "disease". There is NO known cause for CHD. It is the #1 defect that a child can be born with and occurs in about 1% of live births.