Question · asked by 1 review
External cephalic version (ECV) commenced before term vs ECV at term: Preterm birth
- Population
- women with breech presentation before term
- Intervention
- External cephalic version (ECV) commenced before term
- Comparison
- ECV at term
- Outcome
- Preterm birth
External cephalic version (ECV) commenced before term leads to higher preterm birth < 37 weeks compared with ECV at term (high certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
External cephalic version (ECV) commenced before term vs ECV at term Preterm birth < 37 weeks · women with breech presentation before term External cephalic version (ECV) commenced before term leads to higher preterm birth < 37 weeks compared with ECV at term (high certainty). External cephalic version for breech presentation before term (2015) · Cochrane Headline outcomes only | RR 1.51 [1.03, 2.21] | 3 studies · 1888 participants | High |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| External cephalic version for breech presentation before term 2015 · Cochrane Headline outcomes only | Not reported | Not extracted | Not assessed |
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.