Dental caries during pregnancy vs Pregnant women without dental caries: Gestational age (preterm birth < 37 weeks)
Pregnant women with dental caries did not have a significantly increased risk of preterm birth (pooled OR 1.16, 95% CI 0.90 to 1.49; 5 studies; I2=35%); certainty of evidence not graded.
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Dental caries during pregnancy vs Pregnant women without dental caries Preterm birth (<37 weeks of gestation) · Pregnant women · Pregnant women assessed around delivery in observational studies across multiple countries (Mexico, Malawi, India, France, Jordan, Finland, Tanzania); mostly retrospective cohort and case-control designs Pregnant women with dental caries did not have a significantly increased risk of preterm birth (pooled OR 1.16, 95% CI 0.90 to 1.49; 5 studies; I2=35%); certainty of evidence not graded. Dental caries and preterm birth: a systematic review and meta-analysis. (2018) All outcomes | OR 1.16 [0.90, 1.49] | 5 studies · 4246 participants | GRADE not reported |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Dental caries and preterm birth: a systematic review and meta-analysis. 2018 All outcomes | November 2015; repeated December 2016 | 9 | Not applicable |
Studies behind the findings
The primary studies the full-text reviews tie to this outcome. Reviews with headline outcomes only do not list them here.
- Association between maternal dental periapical infections and pregnancy outcomes: results from a cross‐sectional study in Malawi · 2015 · included by 1 of these review
- Dental neglect and adverse birth outcomes: a validation and observational study · 2012 · included by 1 of these review
- Maternal dental caries and pre-term birth: Results from the EPIPAP study · 2011 · included by 1 of these review
- Postpartum oral health parameters in women with preterm birth · 2008 · included by 1 of these review
- Maternal oral health status and preterm low birth weight at Muhimbili National Hospital, Tanzania: a case-control study. · 2007 · included by 1 of these review
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.