Under secretion of thyroxine before maturity causes an abnormality known as? by Sunday | Apr 29 | Biology NECO | 0 comments A. Cretinism B. Gigantism C. Dwarfism D. Myxoedema E. Obesity Correct Answer: Option A – Cretinism Users Also Read These:To sell a bill at less that the face value before…The worth of a life insurance policy be maturity…The secretion of reproductive and growth hormone in…The under secretion of thyroxine in children results in?Under secretion of thyroxine before maturity cause?