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妊娠满28周～<37周之间分娩者称为早产。早产是引起新生儿死亡的主要原因,围产儿死亡中75％与早产有关。因此防治早产是降低围产儿死亡率的重要环节之一。临床用于预防和治疗早产的方法很多,过去我院常用普鲁卡因或硫酸镁静脉点滴辅以镇静药物等综合方法保胎。近三年来选用钙离子拮抗剂—心痛定(硝苯吡啶Nifedipine),治疗
28 weeks of pregnancy ~ <37 weeks between the delivery is called premature delivery. Preterm birth is the leading cause of neonatal deaths, and 75% of perinatal deaths are associated with preterm birth. Therefore, prevention and treatment of preterm birth is one of the important steps to reduce perinatal mortality. Clinical methods for the prevention and treatment of preterm birth are many. In the past, we used procaine or magnesium sulfate intravenous drip supplemented with sedatives and other comprehensive methods of miscarriage. The past three years, the selection of calcium antagonist - nifedipine (nifedipine Nifedipine), treatment