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
Which can be used in pregnancy? 
Select and explain. 
A. ACE inhibitors, B. Aldosterone, C. AT receptor antagonist, D. Propylthiouracil
D: Propylthiouracil
Answer: D: Propylthiouracil 
Explanation: Propylthiouracil is used for hyperthyroidism during pregnancy.
ACE inhibitors and Losartan should be avoided during pregnancy.
ACE inhibitors can cause fetal renal tubular dysplasia when used in second and third trimester leading to oligohydramnios,
fetal limb contractures, craniofacial deformities and hypoplastic lung development.