No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Area Under Curve
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Cohort Studies
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Comorbidity
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Delivery, Obstetric
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Female
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Humans
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Labor Stage, Second
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Labor, Obstetric
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Logistic Models
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Postpartum Hemorrhage / epidemiology*
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Pregnancy
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Reproducibility of Results
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Retrospective Studies
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Risk Assessment*
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Risk Factors
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Severity of Illness Index