system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The drug of choice for treatment of thyrotoxicosis during pregnancy is
assistant
The correct answer is  Refer KDT 6 /e p 250 Propylthiouracil does not cross placenta and us therefore The drug of choice in first trimester pregnancy