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
Safest antimalarial drug during pregnancy is ? 
Select and explain. 
A. Mefloquine, B. Pyrimethamine, C. Proguanil, D. All
C: Proguanil
Answer: C: Proguanil 
Explanation: Ans. is 'c' i.e., Proguanil "Antimalarial medicines considered safe in the first trimester of pregnancy are quinine, chloroquine, clindamycin and proguanil" -- WHO guidelines