Objectives To evaluate the fetal blood flow velocity waveforms ( FVWs ) in relation to the perinatal outcomes.

目的探讨胎儿血流速度 波型 与围产儿结局的关系及高危妊娠胎儿缺氧时血液动力学变化的特点.

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The principally abnormal manifest that TCD discovers is the type of increasing blood flow velocity.

tcd显示异常的血管,MRA有 相应变化的相符率.

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