A systematic review and network meta‐analysis comparing the use of Foley catheters, misoprostol, and dinoprostone for cervical ripening in the induction of labour
Bibliographic record
Abstract
BACKGROUND: Various methods are used for cervical ripening during the induction of labour. It is still debatable which of these methods of treatment is optimal. OBJECTIVE: To compare treatment techniques for cervical ripening in the induction of labour. SEARCH STRATEGY: Medline, Embase, and the Cochrane Collaboration databases were searched using the keywords 'cervical ripening', 'labour induced', 'misoprostol', 'dinoprostone', and 'Foley catheter'. SELECTION CRITERIA: Randomised controlled trials (RCTs) of cervical ripening during the induction of labour, evaluating rates of failure to achieve vaginal delivery within 24 hours, incidence of uterine hyperstimulation with fetal heart rate (FHR) changes, and rates of caesarean section. Studies including women with prelabour rupture of membranes were excluded. DATA COLLECTION AND ANALYSIS: Outcome data were collected and analysed through pairwise meta-analysis and network meta-analysis within a Bayesian framework. MAIN RESULTS: A total of 96 RCTs (17,387 women) were included in the meta-analysis. Vaginal misoprostol was the most effective cervical ripening method to achieve vaginal delivery within 24 hours, but had the highest incidence of uterine hyperstimulation with FHR changes. The use of a Foley catheter to induce labour was associated with the lowest rate of uterine hyperstimulation accompanied by FHR changes. The caesarean section rate was lowest using oral misoprostol for the induction of labour. AUTHOR'S CONCLUSIONS: No method of labour induction demonstrated overall superiority when considering all three clinical outcomes. Decisions regarding the choice of induction method will depend upon the relative preference for effecting vaginal delivery within 24 hours, minimising the incidence of uterine hyperstimulation with adverse FHR changes and avoiding caesarean section. TWEETABLE ABSTRACT: Oral misoprostol for the induction of labour is safer than vaginal misoprostol and has the lowest rate of caesarean section.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.015 | 0.046 |
| Meta-epidemiology (narrow) | 0.003 | 0.002 |
| Meta-epidemiology (broad) | 0.023 | 0.040 |
| Bibliometrics | 0.008 | 0.008 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.004 | 0.002 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.003 | 0.002 |
| Insufficient payload (model declined to judge) | 0.004 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".