Which teratogen causes deafness ?: (A) Isotretnoin, (B) Chloroquine, (C) Alcohol, (D) Warfarin
Answer is A. Ans. is 'a' i.e., Isotretnoid o Isotretinoin can cause microtia or anotia. o These defects are frequently associated with agenesis or stenosis of external ear canal and may lead to deafness.