India 2001.

Methods	See 'risk of bias' table below.
Participants	100 women with eclampsia. 70 in first pregnancy and 79 recruited before delivery.
Interventions	Diazepam: 10 mg iv bolus. Then infusion of 40 mg/500 ml for 24 hr, rate titrated against conscious level. 20 mg/500 ml for a further 24 hr. Then 10 mg im, changed when possible to oral. For recurrent convulsions, 10 mg iv. MgSO4: 4 g in 25% MgSO4 over 10 min. The 5 g IM every 4 hr until 24 hr after delivery or, if postpartum at randomisation, for 24 hr.
Outcomes	Women: death, recurrence of convulsions, renal failure, pneumonia. Babies: denominators not reported.
Notes	Outcomes related to labour and delivery not reported separately for women randomised before delivery.
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Unclear risk	Sequence generated by Department of Statistics at Banaras Hindu University, but method not stated.
Allocation concealment?	Unclear risk	Allocation was in envelopes, and patient was asked to choose one. No further information.
Blinding? All outcomes	Unclear risk	Blinding not mentioned. Blinding of the 2 treatment regimens would have been impossible.
Incomplete outcome data addressed? All outcomes	Unclear risk	Post‐randomisation exclusions not mentioned. No denominators reported for women randomised before birth.