Obstetrics · Maternal-Fetal Medicine
fullPIERS 48-hour Maternal Risk calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
weeks
Allowed range: 20–43 weeks
%
Allowed range: 50–100 %
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×10⁹/L
Allowed range: 0–1000 ×10⁹/L
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mg/dL
Allowed range: 0.23–11.31 mg/dL
U/L
Allowed range: 0–5000 U/L
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Result
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Clinical inputs
- Gestational age at eligibility (weeks)Accepted range: 20 to 43
- Chest pain or dyspnea
- Oxygen saturation (%)Accepted range: 50 to 100
- Platelet count (×10⁹/L)Accepted range: 0 to 1000
- Serum creatinine (µmol/L)Accepted range: 20 to 1000
- Aspartate aminotransferase (U/L)Accepted range: 0 to 5000
Primary source
von Dadelszen P et al. Prediction of adverse maternal outcomes in pre-eclampsia: development and validation of the fullPIERS model. Lancet (2011)
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