This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pregnancy induced Hypeension, Subject name: Gynaecology & Obstetrics
One of the following antihypeensive is NOT used in pregnancy: 
Select and explain. 
A. Enalapril, B. Methyldopa, C. Hydralazine, D. Nifedipine
A: Enalapril
Answer: A: Enalapril 
Explanation: Enalapril is an ACE INHIBITOR which causes oligohydramnios, hypocalvaria and renal dysfunction which leads to IUGR. Commonly Used Drugs in the Management of Pre-eclampsia Drug Mode of action Labetalol Adrenoceptor antagonist (a and b blockers) Nifedipine Calcium channel blocker Methyl-dopa Central and peripheral anti adrenergic action Hydralazine Vascular smooth muscle relaxant