I. Central nervous system. Headache, blurred vision, scotomata, and, rarely, cortical blindness are manifestations of preeclampsia; seizures in a preeclamptic woman are defined as eclampsia.

• 中枢神经系统：先兆子痫的特点是头痛，视力模糊，暗点，罕见的有皮质性盲，先兆子痫的妇女发生抽搐称为子痫。