Findings which increase the certainty of the diagnosis of preeclampsia

Systolic blood pressure ≥160 mm Hg

Diastolic blood pressure ≥110 mm Hg

Proteinuria occurring for the first time during pregnancy, especially if ≥2 g in 24 hours. A qualitative result of 2+ or 3+ is also suggestive.

Serum creatinine >1.2 mg/dL (106 mmol/L)

Platelet count <100,000 cells per cubic millimeter

Evidence of microangiopathic hemolytic anemia (eg, elevated indirect bilirubin or lactic acid dehydrogenase)

Elevated liver chemistries (eg, alanine aminotransferase or aspartate aminotransferase)

Persistent headache or other cerebral or visual disturbances

Persistent epigastric pain

Working group report on high blood pressure in pregnancy. National Instititutes of Health, Washington, DC 2000.

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