<prompt> One of the following antihypeensive is NOT used in pregnancy:EnalaprilMethyldopaHydralazineNifedipine  <response>: 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 