• 1、Systolic pressure≥160～180mmHg，or diastolic pressure≥110mmHg
• 2、Urine protein in 24 hours >5g
• 3、DIC
• 4、Oliguria，urine volume in 24 hours < 500ml
• 5、Pulmonary edema

• 6、Microangiopathic hemolysis
• 7、Thromocytoplets(< 10 Billion/Litre)
• 8、Dysfunction of liver
• 9、FGR ，oligohydramnios
• 10、Headache，visual disorder，upper abdominal pain

• Heart failure
• Cerebrova- scular accident
• Placenta abruption
• DIC
• Renal failure
• HELLP’S syndrome
• Postpartum hemorrhage

Minimum criteria:

• FGR
• fetal distress
• fetal death
• neonatal asphyxia

• Clinical symptoms and physical signs
• Auxiliary examinations

• According to clinical manifestations.