The provocable factors included the postpatrum contraction pain, wound pain, extreme excited, the underestimation of the blood pressure change of the fetal and the neglect of moderate PIH.

• 产后宫缩痛、术后伤口疼痛、产妇高度兴奋、医务人员未重视胎儿娩出后的血压变化及忽略了中度妊高征是产后子痫的诱发因素。