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
[{'content': 'Antimalarial of choice in a pregnant woman (I timester) who is chloroquine resistant is? \nSelect and explain. \nA. Quinine, B. Proguanil, C. Dapsone & pyrimethamine, D. Mefloquine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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".', 'role': 'assistant'}]