Resultes 1. Compared with control group on the first day, renal artery blood flow velocity and flow volume of asphyxiated group were decreased and resistance was increased.
结果1。窒息后新生儿第1天肾动脉血流速度和血流量较正常对照组低下，阻力增加，这种改变随窒息程度加重而加重。
Objective To evaluate the relationship between gestational age and fetal renal volume and blood-flow volume measured by three-dimensional ultrasound (3d US).
目的探讨三维超声测量胎儿肾脏体积及肾脏血流容积与孕龄相关关系。
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