hypothyroidism since birth means child born with improper thyroid gland or no thyroid gland at all. children born with it are bound to face growth issues like shorter than average height shorter than average limbs permanent teeth that develop later puberty that starts later slowed ment....
Dr. Nimrat Kaur
if your son has started speaking monosyllables, it is an okay start. you need not worry. any other learning disability that you know off?