子痫前期(PE)属于妊娠期高血压病分类中重要的一类,指出现在妊娠20周后的高血压、蛋白尿,轻度子痫前期可伴有上腹不适、头痛等症状,重度子痫前期患者出现持续性头痛或其他脑神经或视觉障碍及上腹部不适,心脏、脑、肝肾损伤,血小板减少,凝血功能,胎盘早剥,胎儿生长受限,早产,新生儿发生明显的血象改变。目前认为子痫前期 Preeclampsia (PE) is an important category in the classification of gestational hypertension, indicating that hypertension, proteinuria and mild preeclampsia after 20 weeks gestation may be associated with symptoms such as upper abdominal discomfort and headache, Patients with preeclampsia have persistent headache or other cranial or visual disturbances and upper abdominal discomfort, heart, brain, liver and kidney damage, thrombocytopenia, coagulation, placental abruption, fetal growth restriction, premature birth, and significant neonatal hemogram change. Currently considered preeclampsia