📁 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.
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.