Article

Cohort profile: the Cohort for Risk Prediction Model Evaluation (CORE) for external validation of models identifying high-risk pregnant women in the early second trimester

2026-07-04

Abstract excerpt

<h4>Purpose</h4> The Cohort for Risk Prediction Model Evaluation (CORE) was established to externally validate prediction models that identify high-risk pregnancies in the early second trimester. Such models are often developed on small, single-source datasets and seldom tested elsewhere. Recent evidence shows that only about 6–10% models are ever externally validated which raises concerns about whether they perf...

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Literature Corpus work: e9a6e8aa-3371-57c1-be03-62a16e9247ec
DOI: 10.64898/2026.07.02.26357113

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