All routine Doppler ultrasound vs no Doppler ultrasound: Perinatal mortality
All routine Doppler ultrasound showed no clear difference in perinatal death (stillbirth and neonatal death including anomalies) compared with no Doppler ultrasound (low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
All routine Doppler ultrasound vs no Doppler ultrasound Perinatal death (stillbirth and neonatal death including anomalies) · Pregnant women in unselected or low‐risk populations. All routine Doppler ultrasound showed no clear difference in perinatal death (stillbirth and neonatal death including anomalies) compared with no Doppler ultrasound (low certainty). Fetal and umbilical Doppler ultrasound in normal pregnancy (2015) · Cochrane Headline outcomes only | RR 0.8 [0.35, 1.83] | 4 studies · 11183 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Fetal and umbilical Doppler ultrasound in normal pregnancy 2015 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
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.