Preconception Preeclampsia Risk Assessment Tool

Assess preeclampsia risk before pregnancy using clinical risk factors. High-risk factors (prior PE, antiphospholipid syndrome, chronic hypertension, CKD, diabetes, multiple gestation) predict risk above 8% and justify aspirin prophylaxis planning.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Assess preeclampsia risk before pregnancy using clinical risk factors. High-risk factors (prior PE, antiphospholipid syndrome, chronic hypertension, CKD, diabetes, multiple gestation) predict risk above 8% and justify aspirin prophylaxis planning

Each component has a specific meaning:

  • Clinical risk factors — The clinical risk factors recorded for the scenario being assessed.

Note: Interpret the preeclampsia preconception risk result against the thresholds and context described above.

How to Use

Enter the clinical risk factors for the scenario you are assessing. Assess preeclampsia risk before pregnancy using clinical risk factors. High-risk factors (prior PE, antiphospholipid syndrome, chronic hypertension, CKD, diabetes, multiple gestation) predict risk above 8% and justify aspirin prophylaxis planning. Use the preeclampsia preconception risk result to inform your calculation.

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Frequently Asked Questions