This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Hypertensive, Subject name: Pharmacology
Which of the following antihypertensive is contraindicated in pregnancy: 
Select and explain. 
A. Beta blockers, B. ACE inhibitors, C. Methyldopa, D. Ca channel blockers
B: ACE inhibitors
Answer: B: ACE inhibitors 
Explanation: Ans. (b) ACE inhibitorsRef. KDT 6th ed. 553Antihypertensive to be avoided during pregnancyAntihypertensive safer during pregnancy* ACE inhibitors (Ex- captopril, enelapril etc.)* Angiotensin antagonist (losartan, telmesartan)* Thiazide diuretics (Ex- hydrochlorthiazide)* Furosemide* Propanolol* Nitroprusside* Hydralazine* Methyldopa* Atenolol* Metoprolol* Labetalol-DOC* Nifedipine* Prazosin and ClonidineDrugs and their Respective Risk* Diuretics: tend to reduce blood volume; increase risk of placental infarcts, fetal wastage, stillbirth.* ACE inhibitors, ATI antagonists: growth retardation and fetal damage risk.* Propanolol: causes low birth weight, neonatal hypoglycemia and bradycardia.* Nitroprusside: contraindicated in eclampsia.