硫酸镁是治疗妊高征 ,预防子痫的首选药物。近年来 ,应用硫酸镁治疗早产抑制宫缩也较普遍 ,但产时应用硫酸镁是否使宫缩受到抑制而影响产程进展 ,以及对胎儿有无抑制作用 ,是产科医师所关注的问题。我们对 31例轻、中度妊高征于产时肌肉注射硫酸镁 5 g,经胎心监护仪宫腔内插管 Magnesium sulfate is the treatment of pregnancy-induced hypertension, the preferred drug prevention of eclampsia. In recent years, the application of magnesium sulfate in the treatment of preterm birth inhibition of uterine contractions are more common, but the production of magnesium sulfate is used to make the contractions are inhibited and affect the progress of labor, as well as the fetus with or without inhibition, obstetricians are the concern. We 31 cases of mild and moderate pregnancy-induced hypertension in intrapartum intramuscular injection of magnesium sulfate 5 g, fetal heart monitor intrauterine intubation