International Society for the Study of Hypertension in Pregnancy criteria
Systolic ≥ 140 mmHg and/or diastolic BP should be ≥ 90 mmHg on at least two occasions 4 hours apart > 20 weeks in previously normotensive women. Proteinuria ≥ 300 mg or more in 24 hours or 2 readings of at least ++ on dipstick analysis of midstream or catheter urine specimens if no 24-hour collection is available. In preeclampsia superimposed on chronic hypertension, proteinuria develops > 20 weeks.
