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: Pharmacology
Antimalarial of choice in a pregnant woman (I timester) who is chloroquine resistant is? 
Select and explain. 
A. Quinine, B. Proguanil, C. Dapsone & pyrimethamine, D. Mefloquine
A: Quinine
Answer: A: Quinine 
Explanation: Ans. is 'a' i.e., Quinine "Quinine is the only widely available drug that is acceptable as suitable for treating chloroquine - resistant infections during pregnancy".