Which of the following congenital cardiovascular malformations is most commonly associated with maternal rubella infection?: (A) Isolated dextrocardia, (B) Patent ductus aeriosus, (C) Persistent truncus aeriosus, (D) Coarctation of the aoa
Answer is B. Patent ductus aeriosus (PDA) is the most common congenital cardiac malformation associated with rubella infection of the mother. It is unclear how the rubella virus acts to cause PDA. RUBELLA:-PDA>pulmonary stenosis