Findings

What do systematic reviews say?

6 questions · 6 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 4 · 66.7%Moderate 2 · 33.3%High 0 · 0%

Preterm birth less than 34 weeks' gestation · women with singleton pregnancies at risk of cervical insufficiency

Cervical pessary showed no clear difference in delivery before 34 weeks' gestation compared with no treatment (low certainty).

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
RR 0.72 [0.33, 1.55]
5 studies · 1830 participants
Low

Preterm birth less than 34 weeks' gestation · women with singleton pregnancies at risk of cervical insufficiency

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
no estimate extracted
1 study · 13 participants
Low

Preterm birth · women with singleton pregnancies at risk of cervical insufficiency

Cervical pessary showed no clear difference in delivery before 37 weeks' gestation compared with cervical cerclage (low certainty).

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
RR 5.71 [0.33, 99.97]
1 study · 13 participants
Low

Preterm birth · women with singleton pregnancies at risk of cervical insufficiency

Cervical pessary showed no clear difference in delivery before 37 weeks' gestation compared with no treatment (low certainty).

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
RR 0.68 [0.44, 1.05]
5 studies · 1830 participants
Low

Preterm birth less than 34 weeks' gestation · women with singleton pregnancies at risk of cervical insufficiency

Cervical pessary showed no clear difference in delivery before 34 weeks' gestation compared with vaginal progesterone (moderate certainty).

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
RR 0.72 [0.52, 1.02]
3 studies · 1126 participants
Moderate

Preterm birth · women with singleton pregnancies at risk of cervical insufficiency

Cervical pessary showed no clear difference in delivery before 37 weeks' gestation compared with vaginal progesterone (moderate certainty).

1 finding from 1 review

Cervical pessary for preventing preterm birth in singleton pregnancies 2022 · Cochrane Headline outcomes only
RR 0.89 [0.73, 1.09]
3 studies · 1126 participants
Moderate