Conclusion:High CA level of umbilical artery plasm in gestational women with PIH may be the pathogenetio camse fetal ditress and IUGR, and it might correlate to the degree of PIH.

• 提示：PIH孕妇胎循环中CA的增加有可能是PIH孕妇胎儿窘迫和IUGR高发生率的原因，又可能与PIH的病情程度有关。