This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Medicine
[{'content': 'True about congenital Rubella syndrome :- \nSelect and explain. \nA. Blueberry muffin rash is seen, B. Virus can be isolated only upto 6 months after bih, C. Triad of CRS are cataract, cardiac defects,limb defects, D. Infection is most serious after five months of pregnancy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: CLASSICAL TRIAD OF RUBELLA Cataract Cardiac abnormalities Deafness Other manifestations- Growth retardation, rash, hepatosplenomegaly, jaundice, meningoencephalitis, mental retardation Infection is severe in 1st few months,so option 4 is ruled out.', 'role': 'assistant'}]