When parents find out that their child has been diagnosed with congenital hypothyroidism usually one of the first questions we ask is "Will my child have to be on this medicine for life?" The pediatric endocrinologist then launches into an explanation of transient congenital hypothyroidism. Transient congenital hypothyroidism is abnormal thyroid function, which later reverts to normal. There is some debate within the medical community as to whether infants who have abnormal thyroid function on newborn screens but have subsequent test results showing that the thyroid function has become normal should be considered to have had transient congenital hypothyroidism. For the most part, though, transient congenital hypothyroidism … [Read more...]