It is very uncertain whether summary of findings for IV terbutaline changes umbilical artery pH < 7.0 compared with IV nitroglycerin (very low certainty).
Summary of findings for IV terbutaline showed no clear difference in successful intrauterine fetal resuscitation compared with IV nitroglycerin (low certainty).
The review found no eligible studies for this question.
Summary of findings for selective ß2‐adrenergic agonist probably leads to lower abnormal FHR as defined by trial authors (FHR tracing not improved) compared with no tocolytic agent, whilst awaiting emergency delivery (moderate certainty).
Summary of findings for IV atosiban showed no clear difference in perinatal death or severe morbidity compared with IV hexoprenaline (low certainty).
Summary of findings for IV atosiban showed no clear difference in caesarean delivery compared with IV hexoprenaline (low certainty).
Metformin showed no clear difference in large‐for‐gestational‐age infant, defined as birthweight ≥ 90th… compared with placebo (high certainty).
Metformin showed no clear difference in gestational hypertension compared with placebo (low certainty).
Metformin showed no clear difference in pre‐eclampsia compared with placebo (low certainty).
Metformin showed no clear difference in gestational diabetes (as defined by the trial authors) compared with placebo (moderate certainty).
Metformin leads to higher adverse effects associated with the treatment: diarrhoea compared with placebo (high certainty).
The review found no eligible studies for this question.
Direct measurement using calibrated drapes leads to higher blood loss ≥ 500 mL compared with indirect estimation using gravimetric technique (high certainty).
Direct measurement using calibrated drapes showed no clear difference in blood transfusion compared with indirect estimation using gravimetric technique (low certainty).
Direct measurement using calibrated drapes showed no clear difference in use of plasma expanders compared with indirect estimation using gravimetric technique (low certainty).
Direct measurement using calibrated drapes showed no clear difference in use of therapeutic uterotonics compared with indirect estimation using gravimetric technique (high certainty).