Pharmacology Endocrinology 1d3d7abf The drug of choice for treatment of thyrotoxicosis during pregnancy is A Iodine therapy B Carbimazole C Propylthiouracil D Methimazole High-Yield Explanation Refer KDT 6 /e p 250 Propylthiouracil does not cross placenta and us therefore The drug of choice in first trimester pregnancy