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 agent safe for use in pregnancy is : 
Select and explain. 
A. Atovaquone, B. Pyrimethamine, C. Primaquine, D. Proguanil
D: Proguanil
Answer: D: Proguanil 
Explanation: None