<prompt> true about TRIAD congenital rubella syndromePDA, cataract and deafness is seenHepatosplenomegaly, mental retardation, deafnessChorioretinitis, multiorgan failure, pneumonitisNone of these  <response>: Answer: A. PDA, cataract and deafness is seenCongenital rubella syndrome CRS can occur in a developing fetus of a pregnant woman who has contracted rubella, usually in the first trimester. If infection occurs 0-28 days before conception, the infant has a 43 risk of being affected.Infection in 2nd trimester - may be deafness only.6 wks - no major abnormalitiesDiagnosis: Isolation of virus in cell cultures of throat samples, urine or other secretions.Detection of IgM in single serum sample sholy after bih.Persistance of Rubella IgG antibodies serum beyond 1 year or rising antibody titer anytime during infancy in an unvaccinated child 