Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,192 questions · 1,243 findings · 151 reviews

No studies found 252 · 20.3%GRADE not reported 180 · 14.5%Very low 291 · 23.4%Low 282 · 22.7%Moderate 174 · 14%High 64 · 5.1%

Fundal pressure by inflatable belt vs no fundal pressure

Operative birth (caesarean or instrumental vaginal) · women with singleton pregnancy in vertex position in second stage of labour

It is very uncertain whether fundal pressure by inflatable belt changes operative birth ‐ instrumental or caesarean section compared with no fundal pressure (very low certainty).

1 finding from 1 review

Warm compresses vs control (hands off or no warm compress)

2nd degree tear · pregnant women expecting a vaginal birth, singleton vertex presentation at term, with no medical complications

It is very uncertain whether warm compresses changes 2nd degree tear compared with control (hands off or no warm compress) (very low certainty).

1 finding from 1 review

Warm compresses vs control (hands off or no warm compress)

3rd or 4th degree tears · pregnant women expecting a vaginal birth, singleton vertex presentation at term, with no medical complications

Warm compresses probably leads to lower 3rd or 4th degree tears compared with control (hands off or no warm compress) (moderate certainty).

1 finding from 1 review

Warm compresses vs control (hands off or no warm compress)

Episiotomy · pregnant women expecting a vaginal birth, singleton vertex presentation at term, with no medical complications

Warm compresses showed no clear difference in episiotomy compared with control (hands off or no warm compress) (low certainty).

1 finding from 1 review

Massage vs control (hands off or care

Perineal trauma requiring suturing · pregnant women expecting a vaginal birth, singleton vertex presentation at term, with no medical complications

It is very uncertain whether massage changes perineal trauma requiring suturing compared with control (hands off or care (very low certainty).

1 finding from 1 review

Massage vs control (hands off or care

1st degree perineal tear · pregnant women expecting a vaginal birth, singleton vertex presentation at term, with no medical complications

It is very uncertain whether massage changes 1st degree perineal tear compared with control (hands off or care (very low certainty).

1 finding from 1 review