Question:medium
MgSO4 have no role in prevention of-
MgSO4 have no role in prevention of-
Updated On: Jun 23, 2026
- Seizures in severe pre-eclampsia
- Recurrent seizures in eclampsia
- RDS in premature baby
- Bradycardia
Show Solution
The Correct Option is C
Solution and Explanation
Step 1: Identify what magnesium sulfate actually does in pregnancy: it is the drug of choice to stop convulsions in pre-eclampsia and eclampsia, working as a membrane-stabilising anticonvulsant.
Step 2: It is additionally used as a tocolytic for preterm labour and is given before $32$ weeks for neuroprotection of the preterm brain.
Step 3: Preventing RDS is a different problem entirely - the immature lung lacks surfactant, and only antenatal steroids accelerate surfactant production. Magnesium has no surfactant effect, so it plays no part in RDS prevention.
Step 4: Hence among the listed options, the one MgSO4 cannot prevent is RDS in a premature baby.
\[\boxed{\text{RDS in premature baby}}\]
Step 2: It is additionally used as a tocolytic for preterm labour and is given before $32$ weeks for neuroprotection of the preterm brain.
Step 3: Preventing RDS is a different problem entirely - the immature lung lacks surfactant, and only antenatal steroids accelerate surfactant production. Magnesium has no surfactant effect, so it plays no part in RDS prevention.
Step 4: Hence among the listed options, the one MgSO4 cannot prevent is RDS in a premature baby.
\[\boxed{\text{RDS in premature baby}}\]
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