congenital disease definitionhypothyroidism symptomssubclinical hypothyroidism definitioncongenital hypothyroidism definitiondefine congenitalcongenital meaninghypothyroidism medical definitionacquired hypothyroidism definitionthyroid cancer symptoms hypothyroidismhypothyroidism symptoms in femalesdefine subclinical hypothyroidismsymptoms of hypothyroidism in women