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
Which of the following is used for neuroprotection in preterm deliveries? 
Select and explain. 
A. Betamethasone, B. Dexamethasone, C. Magnesium sulphate, D. Indomethacin
C: Magnesium sulphate
Answer: C: Magnesium sulphate 
Explanation: Very low-bihweight neonates whose mothers were treated with magnesium sulfate for preterm labor or preeclampsia were found to have a reduced incidence of cerebral palsy at 3years. (Ref: William's Obstetrics; 25th edition)