In which situation is there the greatest risk that a newborn infant will have a congenital heart defect (CHD)?
A) Trisomy 21 detected on amniocentesis
B) Family history of myocardial infarction
C) Father has type 1 diabetes mellitus
D) Older sibling born with Turner's syndrome

Question

Quizplus · Accepted Answer

The incidence of congenital heart disease is approximately 50% in children with trisomy 21 (Down syndrome).A family history of congenital heart disease,not acquired heart disease,increases the risk of giving birth to a child with CHD.Infants born to mothers who are insulin dependent have an increased risk of CHD.Infants identified as having certain genetic defects,such as Turner's syndrome,have a higher incidence of CHD.

In Which Situation Is There the Greatest Risk That a Newborn