A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of?

If the mother is having hypothyroidism, there is underactive thyroid, which results from low iodine in the diet. It results in the children which have abnormal weight and height, mental retardation, low IQ, dry skin etc.Thus, the correct answer is option B, 'Deficiency of iodine in diet'.