Magnesium sulfate is indicated for which of the following conditions during pregnancy?

Magnesium sulfate is primarily indicated for the management of severe preeclampsia. This is a significant condition characterized by high blood pressure and signs of damage to another organ system, often the liver and kidneys, which can develop during pregnancy. The use of magnesium sulfate in this context serves two main purposes: it helps to prevent the progression to eclampsia (the development of seizures) and can also manage hypertension in the mother, thus decreasing the risk of serious maternal and fetal complications.

In the setting of preeclampsia, magnesium sulfate acts as an anticonvulsant to prevent seizures, a direct benefit for both mother and baby. Therefore, its role is critical in stabilizing the maternal condition and ensuring better outcomes for the pregnancy.

This medication is not indicated for labor induction, as it does not promote uterine contractions or cervical changes needed for labor. It is also not used for fetal maturation, as other medications such as corticosteroids are typically employed for that purpose in cases of preterm labor. While it can play a secondary role in eclampsia prevention, preeclampsia management is the primary and most integral use of magnesium sulfate during pregnancy.