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: Pharmacology
[{'content': 'Which of the following regimen of antenatal steroids is preferred for Fetal lung maturation? \nSelect and explain. \nA. Dexamethasone 6mg 12 hourly 4 doses, B. Betamethasone 6mg 12 hourly 4 doses, C. Betamethasone 12 mg 12 hourly 4 doses, D. Dexamethasone 12mg 12 hourly 4 doses', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Antenatal steroids are given to prevent respiratory distress syndrome in case of preterm labour.\nRecommended regimens are :\nDexamethasone 6mg 12 hourly 4 doses\nBetamethasone 12mg 24 hourly 2 doses', 'role': 'assistant'}]