This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which of the following is not a common manifestation of Congenital Rubella – 
Select and explain. 
A. Deafness, B. PDA, C. Aortic stenosis, D. Mental retardation
C: Aortic stenosis
Answer: C: Aortic stenosis 
Explanation: Nerve deafness is the single most common clinical finding among infant with congenital Rubella syndrome.
FDA is the most common CHD in congenital rubella syndrome.
Classical triad of congenital rubella consists of → Cataract, Deafness, CHD
Mental retardation is also common.