Intervention not reported
Maternal pain score or pain measured in labour (Pain relief poor (partial, none or worse)) ‐ No add‐on drugs
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (Pain relief poor (partial, none or worse)) ‐ With promazine
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Additional analgesia required ‐ pentazocine
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Additional analgesia required ‐ pentazocine + promazine
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal satisfaction with analgesia measured during the postnatal period (numbers dissatisfied)
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Intervention not reported
Maternal satisfaction with analgesia measured during labour (Pain free)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (Pain intensity at 30 minutes: women with severe pain)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (VAS at 60 minutes (at peak of contraction))
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal satisfaction with analgesia (number of women satisfied or very satisfied)
1 finding from 1 review
no estimate extracted
Studies not reported
High
Intervention not reported
Maternal satisfaction with analgesia measured during labour or during the postnatal period (Pain relief described as poor)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Maternal pain score or pain measured in labour (reduction in VAS of at least 40 mm after 30 minutes) · women in labour
IM pethidine may leads to higher maternal pain score or pain measured in labour (reduction in VAS of… compared with placebo (low certainty).
1 finding from 1 review
Intervention not reported
Maternal pain relief at 30 mins
1 finding from 1 review
no estimate extracted
Studies not reported
High
Intervention not reported
Maternal pain relief at 60 mins
1 finding from 1 review
no estimate extracted
Studies not reported
High
Intervention not reported
Maternal pain score or pain measured in labour (after 30 mins)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (after 60 mins)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (Pain score 30 mins post analgesia)
1 finding from 1 review
no estimate extracted
Studies not reported
Moderate
Intervention not reported
Maternal pain score or pain measured in labour (Pain score 1 hour post‐analgesia)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (Pain intensity (Severe) after 1 hour)
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Intervention not reported
Maternal pain score or pain measured in labour (Pain score 1 hour after drug administration)
1 finding from 1 review
no estimate extracted
Studies not reported
Low
Intervention not reported
Mean doses of analgesia (non pre‐specified)
1 finding from 1 review
no estimate extracted
Studies not reported
Low