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Amniotic cavity accumulation of magnesium with prolonged magnesium sulfate tocolysis
G D Hankins1, T L Hammond, E R Yeomans
1Department of Obstetrics and Gynecology, Wilford Hall United States Air Force Medical Center, Lackland Air Force Base, Texas 78236-5300.
The Journal of Reproductive Medicine
|June 1, 1991
Abstract:
In seven women, continuous intravenous tocolysis with magnesium sulfate for 4-28 days resulted in high amniotic fluid magnesium levels (10.54 mg% +/- 1.83 SD). In all cases the amniotic fluid magnesium level greatly exceeded the maternal serum level in a sample collected simultaneously. Additionally, when amniorrhexis and delivery occurred within one hour of each other, the fetal magnesium levels uniformly exceeded the maternal levels in paired maternal and cord blood samples.