Women who are pregnant and have hypertension are treated with methyldopa, labetolol and nifedipine, singly or in combination.
Mancia G, Fagard R, Narkiewicz K, et al. 2013 Practice guidelines for the management of arterial hypertension of the European Society of Hypertension (ESH) and the European Society of Cardiology (ESC): ESH/ESC Task Force for the Management of Arterial Hypertension. J Hypertens. 2013; 31(10): 1925–1938. DOI:10.1097/HJH.0b013e328364ca4c
Methyldopa, labetolol and nifedipine should be considered preferential antihypertensive drugs in pregnancy. Intravenous labetolol or infusion of nitroprusside should be considered in case of emergency (pre-eclampsia).