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Preeclampsia (ACOG)

ACOGPreeclampsia Diagnostic Criteria

Primary Criteria

SystolicmmHg

DiastolicmmHg

Severe Features (Any 1 = Severe)

Diagnosis requires BP ≥140/90 on two occasions at least 4 hours apart after 20 weeks gestation. BP ≥160/110 confirms severe range.

Preeclampsia Calculator

Enter blood pressure and select any present severe features or proteinuria to see the diagnostic assessment.

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Use

Evaluation of pregnant patients ≥20 weeks gestation with new-onset hypertension.

Assessment of postpartum patients (up to 6 weeks) presenting with hypertension or headache.

Differentiating gestational hypertension from preeclampsia.

Identifying preeclampsia with severe features requiring immediate hospitalization.

Blood Pressure Thresholds

Diagnosis requires Systolic BP ≥140 mmHg or Diastolic BP ≥90 mmHg on two occasions at least 4 hours apart. Severe range BP (≥160/110) can be confirmed within minutes to facilitate rapid antihypertensive therapy.

Last Comprehensive Review: 2026