Findings

What do systematic reviews say?

23 questions · 23 findings · 4 reviews · Pregnancy and Childbirth

No studies found 8 · 34.8%GRADE not reported 0 · 0%Very low 8 · 34.8%Low 4 · 17.4%Moderate 2 · 8.7%High 1 · 4.3%

Stillbirth · preventing preterm birth in women with singleton pregnancy

Cerclage showed no clear difference in stillbirths compared with no cerclage (low certainty).

1 finding from 1 review

Cervical stitch (cerclage) for preventing preterm birth in singleton pregnancy 2017 · Cochrane Headline outcomes only
RR 0.89 [0.45, 1.75]
5 studies · 1803 participants
Low

Death of the baby before discharge: neonatal death · preventing preterm birth in women with singleton pregnancy

Cerclage showed no clear difference in neonatal deaths before discharge compared with no cerclage (low certainty).

1 finding from 1 review

Cervical stitch (cerclage) for preventing preterm birth in singleton pregnancy 2017 · Cochrane Headline outcomes only
RR 0.85 [0.53, 1.39]
6 studies · 1714 participants
Low

Preterm birth less than 34 weeks' gestation · preventing preterm birth in women with singleton pregnancy

Cerclage leads to lower preterm birth before 34 completed weeks compared with no cerclage (high certainty).

1 finding from 1 review

Cervical stitch (cerclage) for preventing preterm birth in singleton pregnancy 2017 · Cochrane Headline outcomes only
RR 0.77 [0.66, 0.89]
9 studies · 2415 participants
High