Table 2.

Diagnostic criteria for pre-eclampsia and severe pre-eclampsia [13, 14]

Name	Diagnostic criteria
Pre-eclampsia	Hypertension (a blood pressure greater than or equal to 140 mmHg systolic or equal to 90 mmHg diastolic on two occasions at least 4 h apart after 20 weeks of gestation in a women with a previously normal blood pressure) or severe hypertension (systolic blood pressure ≥160 mmHg or diastolic blood pressure ≥110 mmHg on two occasions 4 h apart) And Proteinuria (‘≧300 mg per 24-h urine collection’ or ‘Protein/creatinine ratio ≧0.3 mg/dL’ ‘Dipstick reading of 1+, used only if other quantitative methods not available’) Or In the absence of proteinuria, new-onset hypertension with the new onset of any of the following: thrombocytopenia, impaired liver function, the new development of renal insufficiency, pulmonary edema or new onset cerebral or visual disturbance
Severe pre-eclampsia	Severe hypertension alone: systolic blood pressure ≥160 mmHg or diastolic blood pressure ≥110 mmHg Or severe hypertension with the following criteria Severe proteinuria at least 3 g (range 2–5 g) protein in 24 h, or 3+ on dipstick Oliguria <500 cc/day upper abdominal pain, pulmonary oedema Neurological disturbances (such as headache, visual disturbances, and exaggerated tendon reflexes) Impaired liver function tests, high serum creatinine, low platelets Suspected intrauterine growth restriction or reduced liquor volume