A cardiovascular malformation in the fetus before birth results in _______ heart disease.

Cardiovascular Malformation

An abnormality or defect in the structure of the heart or blood vessels, often present from birth, that can affect blood flow and heart function.

Fetus

A developing mammal or human inside the womb, specifically after the embryonic stage and before birth.

Heart Disease

A broad term for any condition affecting the heart's function, including coronary artery disease, heart rhythm problems, and more.