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分析了１９９１年１月至１９９５年１２月间住院治疗的１１０例前置胎盘的母儿状况，以此对前置胎盘期待治疗进行了临床评价。认为期待治疗可促进胎儿宫内发育，能使５２．６％３７孕周以下的前置胎盘早产儿体重≥２５００ｇ（最小的为３５孕周）；有利于促进胎肺成熟，避免ＮＲＤＳ的发生；能增强胎儿的储备能力，使窘迫及窒息发生的比率降低，且多在３５孕周以下发生；还可及时了解胎儿宫内情况，择期终止妊娠，让母儿早日脱离危险，避免胎死宫内的发生。期待治疗以尽早开始为好，但以尽可能达到３５孕周为宜，无特殊情况到３６周以后即应考虑终止妊娠。
The maternal and infant status of 110 cases of placenta previa treated in hospital from January 1991 to December 1995 was analyzed and the clinical evaluation of the treatment of placenta previa was conducted. The expectation is that expectant treatment can promote intrauterine growth and make 52.6% of pre-placental precursors below 37 gestational weeks have a weight of 2500g or above (the smallest is 35 gestational weeks), promote fetal lung maturation and avoid the occurrence of NRDS, Can enhance the reserve capacity of the fetus, so that the ratio of distress and asphyxia reduce, and more than 35 weeks of gestation occurred below; can also be timely understanding of intrauterine conditions, elective termination of pregnancy, so that the mother out of danger as soon as possible to avoid fetal death happened. Expect to start treatment as soon as possible, but as far as possible to achieve 35 gestational weeks is appropriate, no special circumstances should be considered after 36 weeks of pregnancy termination.