Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

199 questions · 201 findings · 12 reviews · Pregnancy and Childbirth

No studies found 55 · 27.4%GRADE not reported 8 · 4%Very low 29 · 14.4%Low 57 · 28.4%Moderate 47 · 23.4%High 5 · 2.5%

Summary of findings for IV fenoterol bromhydrate vs emergency delivery

Caesarean section · women with a non‐reassuring fetal heart trace during labour but without uterine tachysystole

Summary of findings for IV fenoterol bromhydrate probably leads to higher caesarean delivery compared with emergency delivery (moderate certainty).

1 finding from 1 review

Summary of findings for IV fenoterol bromhydrate vs emergency delivery

Apgar score less than 7 at 5 minutes · women with a non‐reassuring fetal heart trace during labour but without uterine tachysystole

Summary of findings for IV fenoterol bromhydrate showed no clear difference in 5‐minute Apgar score < 7 compared with emergency delivery (low certainty).

1 finding from 1 review

Summary of findings for IV fenoterol bromhydrate vs emergency delivery

Umbilical artery pH < 7.1 · women with a non‐reassuring fetal heart trace during labour but without uterine tachysystole

Summary of findings for IV fenoterol bromhydrate showed no clear difference in umbilical artery pH < 7.1 compared with emergency delivery (low certainty).

1 finding from 1 review

Summary of findings for subcutaneous terbutaline vs IV magnesium sulphate

Low umbilical artery pH (< 7.2 or as defined by trial authors) · women for whom a decision had been made to deliver by caesarean section for suspected fetal distress based on FHR monitoring

It is very uncertain whether summary of findings for subcutaneous terbutaline changes umbilical artery pH < 7.2 compared with IV magnesium sulphate (very low certainty).

1 finding from 1 review

Summary of findings for subcutaneous terbutaline vs IV magnesium sulphate

Resolution of fetal distress on FHR tracing · women for whom a decision had been made to deliver by caesarean section for suspected fetal distress based on FHR monitoring

It is very uncertain whether summary of findings for subcutaneous terbutaline changes resolution of fetal distress on FHR tracing compared with IV magnesium sulphate (very low certainty).

1 finding from 1 review

Summary of findings for subcutaneous terbutaline vs no tocolytic agent, whilst awaiting emergency delivery

Perinatal death or severe morbidity · women in labour with signs of fetal distress and a fetal scalp pH < 7.25, for whom the decision had been made for emergency delivery

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings for subcutaneous terbutaline vs no tocolytic agent, whilst awaiting emergency delivery

Caesarean section · women in labour with signs of fetal distress and a fetal scalp pH < 7.25, for whom the decision had been made for emergency delivery

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings for subcutaneous terbutaline vs no tocolytic agent, whilst awaiting emergency delivery

Apgar score less than 7 at 5 minutes · women in labour with signs of fetal distress and a fetal scalp pH < 7.25, for whom the decision had been made for emergency delivery

Summary of findings for subcutaneous terbutaline showed no clear difference in 5‐minute Apgar score < 7 compared with no tocolytic agent, whilst awaiting emergency delivery (low certainty).

1 finding from 1 review