Thyroxine binding globulin (TBG) is increased in:: (A) Glucocoicoid therapy, (B) Nephrotic syndrome, (C) Pregnancy, (D) Cancer chemotherapy
Answer is C. TBG concentration increases in (conditions of high estrogen levels) such as: pregnancy oral contraceptives. TBG concentration is decreased by: Hormones ( androgens, glucocoicoids;) Malnutrition nephrotic syndrome cancer chemotherapy. Drugs, such as phenytoin, salicylates.