Figure 4From: Maternal adverse effects of different antenatal magnesium sulphate regimens for improving maternal and infant outcomes: a systematic review Risk of bias for randomised controlled trials (Comparisons 1–6). Risk of bias summary showing review authors’ judgements about each risk of bias item for included studies from Comparisons 1–6. Each risk of bias item is judged as at a low risk of bias, unclear risk of bias or high risk of bias.Back to article page