This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'Drug that is used for fetal lung maturity is \nSelect and explain. \nA. Dexamethasone, B. Folic acid, C. eclomethasone, D. one', 'role': 'user'}, {'content': 'Answer: A \nExplanation: * Betamethasone and dexamethasone are coicosteroids, also called glucocoicoids, that are given before bih (antenatally) to speed up a preterm fetuses lung development. * Either is used when a mother is in preterm labor and bih may occur in 24 to 48 hours REF : DUTTA BOOK OF OBESTETRICS', 'role': 'assistant'}]