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
Which of the following drug may be used to arrest premature labour : 
Select and explain. 
A. Diazoxide, B. Methyl dopa, C. Magnesium sulphate, D. All
D: All
Answer: D: All 
Explanation: Ans. is a and b but c > d i.e. Magnesium sulphate and Diazoxide