This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
Most common cardiac anomaly in Turner's syndrome is? 
Select and explain. 
A. Coarctation of aorta, B. Bicuspid aortic valve, C. Ventricular septal defect, D. Atrial septal defect
B: Bicuspid aortic valve
Answer: B: Bicuspid aortic valve 
Explanation: b. Bicuspid aortic valve(Ref: Nelson's 20/e p 2189-2191, Ghai 8/e p 413-414)Most common heart defects in Turner syndrome are bicuspid aortic valves, coarctation of aorta and aortic stenosis.