MétaCan
Menu
Back to cohort
Record W6888500773 · doi:10.20381/ruor-30981

Placental Abruption: Clinical Indicators, Histological Findings, and its Impact on Neonatal Health

2025· dissertation· en· W6888500773 on OpenAlexaboutno aff

Bibliographic record

VenueUniversity of Ottawa - Library · 2025
Typedissertation
Languageen
FieldMedicine
TopicMaternal and fetal healthcare
Canadian institutionsnot available
Fundersnot available
KeywordsPlacental abruptionPregnancyFetusPremature birthNeonatal mortalityPlacentaGestation

Abstract

fetched live from OpenAlex

Placental abruption involves premature placental separation from the uterine wall, resulting in adverse maternal and neonatal outcomes. Using data from 287 confirmed cases at two large Canadian hospitals, we examined clinical, lifestyle, imaging, and postpartum histological measures, alongside neonatal health indicators. Canonical correlation analysis revealed moderate relationships among these variables, suggesting potential markers for earlier detection and timely intervention. Specific clinical indicators and histological features were associated with preterm birth and low birth weight. The analysis highlighted the placenta's role in reflecting maternal conditions and emphasized the need for proactive prenatal care. Although limited by the lack of histological data from healthy pregnancy, these findings support targeted follow-up studies to assess diagnostic and predictive accuracy. Identifying such markers may aid clinicians in refining management strategies, potentially improving maternal and neonatal outcomes while addressing ethical considerations surrounding delivery timing. Further confirmatory research with healthy pregnancies and other complications is needed.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.006
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.672
Threshold uncertainty score0.661

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.006
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.002
Science and technology studies0.0010.001
Scholarly communication0.0010.000
Open science0.0010.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.020
GPT teacher head0.323
Teacher spread0.303 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

Explore more

Same venueUniversity of Ottawa - LibrarySame topicMaternal and fetal healthcareFrench-language works237,207