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Evidence found and GRADE certainty

3 questions · 3 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 3 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Dental caries during pregnancy vs Pregnant women without dental caries

Preterm birth stratified by clinical type (spontaneous vs iatrogenic vs term) · pregnant women

The planned subanalysis by type of preterm birth (spontaneous vs iatrogenic vs term) could not be performed because of the small number of cases and lack of information in the original studies.

1 finding from 1 review
  • Dental caries and preterm birth: a systematic review and meta-analysis. 2018 All outcomes
    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 · By type of PTB (spontaneous vs iatrogenic)
    no estimate extracted
    0 studies
    GRADE not reported

Dental caries during pregnancy vs Pregnant women without dental caries

Preterm birth stratified by gestational age at birth (moderate-to-late 32 to <37, very 28 to <32, extremely <28 weeks) · pregnant women

The planned subanalysis of preterm birth by gestational age at birth (moderate-to-late, very, extremely preterm) could not be performed because of the small number of cases and lack of stratified data in the original studies.

1 finding from 1 review
  • Dental caries and preterm birth: a systematic review and meta-analysis. 2018 All outcomes
    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 · By gestational age at birth
    no estimate extracted
    0 studies
    GRADE not reported

Dental caries during pregnancy vs Pregnant women without dental caries

Gestational age (preterm birth < 37 weeks) · pregnant women

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.

1 finding from 1 review
  • Dental caries and preterm birth: a systematic review and meta-analysis. 2018 All outcomes
    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
    OR 1.16 [0.90, 1.49]
    5 studies · 4246 participants
    GRADE not reported