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 drug safe in pregnancy is: September 2006, March 2007 \nSelect and explain. \nA. Quinine, B. primaquine, C. Aesunate, D. Chloroquine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: Chloroquine Chloroquine and proguanil are safer antimalarial drugs in pregnancy.', 'role': 'assistant'}]