<prompt> Common features of acquired Hypothyroidism include all EXCEPT:Growth retardationMental retardationDelayed pubeyPseudohyperophy of muscles  <response>: - Mental retardation is not a feature of Acquired hypothyroidism - It is seen in child with untreated congenital hypothyroidism Clinical features of acquired hypothyroidism: Firm nodular goiter Deceleration of growth is usually the first clinical manifestation Cold intolerance Lethargy Constipation Delayed dentition Delayed pubey some may have pseudo precocious pubey Bradycardia Myopathy pseudohyperophy of muscles Hea failure in severe cases Weight gain - mostly due to fluid retention Associated with Downs syndrome ; Turners syndrome ; Celiac disease 