Question

A decrease in the production of thyroxine during foetal stage leads to which disease?

Answer 1

Decrease in thyroxine levels is called hypothyroidism. This decrease in production during foetal stage leads to a condition called cretinism, resulting in growth retardation. This is usually associated with hypothyroidism in mothers.
Myxodema is defeciency of thyroxine in adults.
Hyperthyroidism is increase in secretion of thyroxine.