子痫前期是严重威胁母胎安全的妊娠期特有并发症，预防其发病具有重要意义。孕期通过建立风险评估，均衡营养，控制体重、适当运动，必要时及早予以药物干预可有效减低子痫前期发生率。

Preeclampsia is a special complication of pregnancy，which is a serious threat to maternal and fetal safety.The prevention of its development is of great significance.Through establishing risk assessment，balancing nutrition，controlling weight，taking proper exercise during pregnancy and earlier prophylactic use of aspirin，if necessary，preeclampsia incidence can be reduced fectively.