MgSO4 have no role in prevention of-

MgSO4 is the Drug of choice which prevents seizures in severe pre ecclapmsia and also for seizure control in eclampsia This is also used for control of recurrent seizures Neuroprotective action: 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 3 years