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: Gynaecology & Obstetrics
Drug C/I in pregnancy is : 
Select and explain. 
A. Chloroquine, B. Primaquine, C. Amodiaquine, D. Quinine
B: Primaquine
Answer: B: Primaquine 
Explanation: Primaquine