This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
Which of the following is not used in preeclampsia? 
Select and explain. 
A. Methyldopa, B. Atenolol, C. Labetalol, D. Hydralazine
B: Atenolol
Answer: B: Atenolol 
Explanation: None