Objective To evaluate the relationship between the hemodynamic changes of middle cerebral artery (MCA), umbilical artery(UmA) and neonatal hypoxic ischemic encephalopathy (HIE).

• 目的评价胎儿大脑中动脉(MCA)和脐动脉(UmA)血流动力学改变与预测新生儿缺血缺氧性脑病(HIE)的关系。