Congenital heart defect - Definition

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Congenital heart defects cause diseases of the heart, and these defects appear in the fetus during its formation in the mother's uterus. Congenital heart defects are relatively common and affect up to 14 children in 1,000. They are very often interventricular and interauricular communications (malformations that permit the abnormal passage of blood from one part of the heart to another, independently of the heartbeat). The lack of closure of the arterial canal after birth is another possible malformation. Other serious congenital heart defects may motivate doctors to propose a VTP (voluntary termination of pregnancy).