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
Vasopressor of choice in pregnancy is: 
Select and explain. 
A. Ephedrine, B. Phenylephrine, C. Methoxamine, D. Mephentermine
A: Ephedrine
Answer: A: Ephedrine 
Explanation: Vasopressor of choice in pregnancy is ephedrine.