Conclusion The decrease of VEGF in placenta from PIH may be related to inadequete blood vessel formation and the abnormal invasions of trophoblast and may play a role in the cause of PIH.

• 结论妊高征胎盘中VEGF的减少可能与胎盘血管生成减少及胎盘滋养叶细胞侵入异常有关，在妊高征发病中占有一定的地位。