Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,535 questions · 3,601 findings · 252 reviews · Pregnancy and Childbirth

No studies found 726 · 20.2%GRADE not reported 421 · 11.7%Very low 828 · 23%Low 993 · 27.6%Moderate 486 · 13.5%High 147 · 4.1%

LMWH prophylaxis vs UFH

Symptomatic thromboembolic events ( · pregnant women at increased risk of VTE during pregnancy and the early postnatal period

It is very uncertain whether antenatal (± postnatal) prophylaxis: LMWH changes symptomatic thromboembolic events ( compared with UFH (very low certainty).

1 finding from 1 review

Early discharge vs standard discharge

Number of infants having contact with healthcare professionals regarding infant health issues within 4 weeks of birth · healthy mothers and term infants

Early discharge showed no clear difference in number of infants having contact with healthcare professionals… compared with standard discharge (moderate certainty).

1 finding from 1 review

Early discharge vs standard discharge

Number of women having contact with healthcare professionals regarding maternal health issues within 6 weeks of giving birth · healthy mothers and term infants

Early discharge showed no clear difference in number of women having contact with healthcare professionals… compared with standard discharge (moderate certainty).

1 finding from 1 review

Any type of forceps vs any vacuum cup

Failed delivery with allocated instrument (primary) · Women in the second stage of labour, requiring an assisted vaginal birth

Any type of forceps may leads to lower failed delivery with allocated instrument (primary) compared with any type of vacuum cup (low certainty).

1 finding from 1 review

Low‐cavity forceps vs any vacuum cup

Third‐ or fourth‐degree perineal tear (with or without episiotomy) · Women in the second stage of labour, requiring an assisted vaginal birth

It is very uncertain whether low‐cavity forceps changes third‐ or fourth‐degree perineal tear (with or without episiotomy) compared with any vacuum cup (very low certainty).

1 finding from 1 review