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子宫下段长度和胎盘后血脐静脉血CRH水平与分娩发动的关系

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摘要 目的探讨子宫下段形成在分娩发动中的作用。方法选取行剖宫产术的单胎足月妊娠产妇42例,根据临产状态分组,术中测量产妇子宫下段长度,并用放射免疫方法测定脐静脉血、胎盘后血中CRH含量,比较各组间子宫下段长度与脐静脉血、胎盘后血中CRH水平。结果临产后脐静脉血、胎盘后血中CRH水平较未临产者明显升高,并在产程中维持较高水平,且脐静脉血与胎盘后血的CRH水平具有相关性;随着产程发动与进展,子宫下段逐渐延长,且与CRH水平具有相关性。结论子宫下段形成是分娩发动和产程顺利进展的必要条件;CRH是可以协调母儿双方状态参与分娩发动的因素,在分娩发动中可能起核心作用。
作者 李万斌
出处 《济宁医学院学报》 2008年第3期211-213,共3页 Journal of Jining Medical University
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