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
All of the following may be used in pregnancy associated hypertension except: 
Select and explain. 
A. Nifedipine, B. Captopril, C. Methyldopa, D. Hydralazine
B: Captopril
Answer: B: Captopril 
Explanation: Common antihypertensives used in PIH