Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

152 questions · 154 findings · 36 reviews

No studies found 17 · 11%GRADE not reported 23 · 14.9%Very low 60 · 39%Low 35 · 22.7%Moderate 17 · 11%High 2 · 1.3%

Aspirin vs placebo

Need for additional pain relief (4 to 8 hours) · women with perineal pain in the early postpartum period

It is very uncertain whether aspirin changes need for additional pain relief (4 to 8 hours) compared with placebo (very low certainty).

1 finding from 1 review

Laxative plus bulking agent vs laxative alone

Adverse effects on women: faecal incontinence during first 10 postpartum days · postpartum women who underwent surgical repair of third degree perineal tears

It is very uncertain whether laxative plus bulking agent changes adverse effects on women: faecal incontinence during first 10… compared with laxative alone (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