Preterm birth less than 34 weeks' gestation
It is very uncertain whether cervical cerclage in combination with antibiotics and tocolytics changes preterm birth < 34 completed weeks of pregnancy compared with cervical cerclage alone (very low certainty).
1 finding from 1 review
Preterm birth · Women with a multiple pregnancy
Vaginal progesterone showed no clear difference in preterm birth less than 37 weeks compared with no treatment or placebo (moderate certainty).
1 finding from 1 review
Preterm birth less than 28 weeks · Women with a multiple pregnancy
Vaginal progesterone showed no clear difference in preterm birth less than 28 weeks compared with no treatment or placebo (low certainty).
1 finding from 1 review
Preterm birth less than 34 weeks' gestation · Women with a multiple pregnancy
Intramuscular (IM) progesterone may leads to higher preterm birth less than 34 weeks compared with no treatment or placebo (low certainty).
1 finding from 1 review
Preterm birth less than 28 weeks · Women with a multiple pregnancy
Intramuscular (IM) progesterone showed no clear difference in preterm birth less than 28 weeks compared with no treatment or placebo (moderate certainty).
1 finding from 1 review
Preterm birth · Women with a multiple pregnancy
Intramuscular (IM) progesterone showed no clear difference in preterm birth less than 37 weeks compared with no treatment or placebo (high certainty).
1 finding from 1 review
Preterm birth less than 34 weeks' gestation · Women with a multiple pregnancy
Vaginal progesterone showed no clear difference in preterm birth less than 34 weeks compared with no treatment or placebo (low certainty).
1 finding from 1 review
Preterm birth · women with a twin pregnancy
Oral betamimetic showed no clear difference in preterm birth (less than 37 weeks' gestation) compared with placebo (low certainty).
1 finding from 1 review
Preterm birth less than 34 weeks' gestation · women with a twin pregnancy
Oral betamimetic showed no clear difference in very preterm birth (less than 34 weeks' gestation) compared with placebo (low certainty).
1 finding from 1 review
Intervention not reported
Preterm birth < 34 weeks · women carrying twins, asymptomatic for PTL or PPROM
It is very uncertain whether the intervention changes preterm birth < 34 weeks (very low certainty).
1 finding from 1 review
Intervention not reported
Preterm birth < 37 weeks · singleton pregnancy with symptoms of PTL
It is very uncertain whether the intervention changes preterm birth < 37 weeks (very low certainty).
1 finding from 1 review
Preterm birth · pregnant women
Summary of findings: lipid‐based nutrient supplements (LNS) showed no clear difference in preterm births (births before 37 weeks of gestation) compared with multiple micronutrients (MMN) (moderate certainty).
1 finding from 1 review
Preterm birth · pregnant women
Summary of findings: lipid‐based nutrient supplements (LNS) showed no clear difference in preterm births (births before 37 weeks of gestation) compared with iron folic acid (IFA) (moderate certainty).
1 finding from 1 review
Gestational age (preterm birth < 37 weeks) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
Periodontal treatment (scaling and root planing, polishing, or… showed no clear difference in gestational age (preterm birth < 37 weeks) compared with no treatment (low certainty).
1 finding from 1 review
Preterm birth < 35 weeks · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
It is very uncertain whether periodontal treatment (scaling and root planing, polishing, or… changes preterm birth < 35 weeks compared with no treatment (very low certainty).
1 finding from 1 review
Gestational age (preterm birth < 37 weeks) · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
It is very uncertain whether periodontal treatment (scaling and root planing, alone or with… changes gestational age (preterm birth < 37 weeks) compared with alternative (less intensive) periodontal treatment, alone or with… (very low certainty).
3 findings from 1 review
Preterm birth < 32 weeks · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
It is very uncertain whether periodontal treatment (scaling and root planing, polishing, or… changes preterm birth < 32 weeks compared with no treatment (very low certainty).
1 finding from 1 review
Preterm birth < 35 weeks · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
1 finding from 1 review
Preterm birth · pregnant women presenting for routine prenatal care
Lower genital tract infection screening probably leads to lower preterm birth less than 37 weeks compared with no screening (moderate certainty).
1 finding from 1 review
Preterm birth · childbearing women and their infants (all) (important/secondary outcomes)
Summary of findings table ‐ Midwife continuity of care models showed no clear difference in preterm birth (< 37 weeks) compared with other models of care (low certainty).
1 finding from 1 review