Failed delivery with allocated instrument (primary) · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup may leads to higher failed delivery with allocated instrument (primary) compared with rigid cup (low certainty).
1 finding from 1 review
Any maternal trauma (primary) · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup showed no clear difference in any maternal trauma (primary) compared with rigid cup (low certainty).
1 finding from 1 review
Any neonatal injury (primary) · Women in the second stage of labour, requiring an assisted vaginal birth
1 finding from 1 review
Third‐ or fourth‐degree perineal tear (with or without episiotomy) · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup showed no clear difference in third‐ or fourth‐degree perineal tear (with or without episiotomy) compared with rigid cup (low certainty).
1 finding from 1 review
Postpartum haemorrhage · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup showed no clear difference in postpartum haemorrhage (≥ 500 mL or as defined by trial authors) compared with rigid cup (moderate certainty).
1 finding from 1 review
Low Apgar score · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup showed no clear difference in low Apgar score at 5 minutes (less than 7 or as defined by trial… compared with rigid cup (low certainty).
1 finding from 1 review
Low umbilical artery pH (< 7.2 or as defined by trial authors) · Women in the second stage of labour, requiring an assisted vaginal birth
Soft cup showed no clear difference in low umbilical artery pH (< 7.2 or as defined by trial authors) compared with rigid cup (low certainty).
1 finding from 1 review