Magnesium sulfate improves blood flow of uterine, umbilical, and fetal middle cerebral arteries in women with severe preeclampsia at 30-34 gestational weeks.

MgSO4 can effectively improve umbilical and MCA blood flow at 30-34 gestational weeks but not at 26-30w. Meanwhile, using MgSO4 can improve uterine blood flow in severe preeclampsia, which may contribute to the management of reducing adverse events in pregnant women who have preeclampsia and fetal growth restriction.