15th July 2024

Risk factors

Although the aetiology of PET remains unclear, NICE guidelines outline the risks associated with development of PET. These can be divided into:

• History of previous hypertensive disorder during pregnancy
• Pre-existing hypertension – PET can be superimposed onto existing disease
• Concurrent maternal disease
• Chronic kidney disease
• Diabetes
• Maternal factors
• Nulliparity
• Increased maternal age (>40)
• High body mass index (BMI)
• Positive family history