Objective To understand the causes of controlled preterm labor, and study its pregnant prognosis.
目的了解干预性早产的发生因素及对妊娠结局的影响。
Methods the causes of 89 cases of controlled preterm labor were analyzed retrospectively, and the effects of different kinds of treatment on pregnant results were studied.
方法回顾性分析89例干预性早产的原因，比较不同治疗措施对围生儿结局的影响。
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