What is the role of magnesium sulfate in the treatment of preeclampsia?

Updated: Nov 29, 2018
  • Author: Kee-Hak Lim, MD; Chief Editor: Ronald M Ramus, MD  more...
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The American College of Obstetricians and Gynecologists (ACOG) and the Society for Maternal-Fetal Medicine (SMFM) continue to support the short-term (usually < 48 hours) use of magnesium sulfate in obstetric care for conditions and treatment durations that include the following [66] :

  • For prevention and treatment of seizures in women with preeclampsia or eclampsia
  • For fetal neuroprotection before anticipated early preterm (< 32 weeks of gestation) delivery
  • For short-term prolongation of pregnancy (≤48 hours) to allow for the administration of antenatal corticosteroids in pregnant women who are at risk of preterm delivery within 7 days

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