This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
The drug of choice for treatment of hyperthyroidism during lactation period is - 
Select and explain. 
A. Carbimazole, B. Propylthiouracil, C. Methimizole, D. Radioactive iodine
B: Propylthiouracil
Answer: B: Propylthiouracil 
Explanation: None