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
[{'content': 'In a lady of 32 weeks pregnancy injection dexa- methasone is to given to prevent: \nSelect and explain. \nA. Respiratory distress syndrome, B. Neonatal convulsions, C. Neonatal jaundice, D. Cerebral palsy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Administration of dexamethasone before delivery:\n\n– Reduces the incidence and severity of intraventricular hemorrhage\n– Accelerates fetal lung maturation in preterm labour and prevents hyaline membrane disease.\n\nIt should be given atleast 24 hours before delivery.\nIts effect lasts for 7 days therefore earlier it was said that repeat injections of betamethasone should be given weekly. Recent trials have shown that repeated injection lead to an increase in incidence of cerebral palsy therefore repeated injections are not given.\nSteroid of choice for lung maturity is Betamethasone.\nDose = 2 doses of 12 mg of steroid (i.e., 3 ampules) are given i/m - 24 hours apart.\n\nAdverse effects of Dexamethasone:', 'role': 'assistant'}]