Comparison 1. Strict bed rest in hospital versus some rest in hospital.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Severe hypertension	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	1.18 [0.93, 1.49]
2 Severe pre‐eclampsia	2	145	Risk Ratio (M‐H, Fixed, 95% CI)	1.50 [0.98, 2.30]
3 Eclampsia	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	0.33 [0.01, 7.85]
4 Elective delivery including elective caesarean section or induction of labour, or both	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	1.08 [0.87, 1.34]
5 Placental abruption	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	4.91 [0.24, 99.82]
6 Death of baby, including miscarriage, stillbirth, perinatal death, and neonatal death	2	145	Risk Ratio (M‐H, Fixed, 95% CI)	1.07 [0.52, 2.19]
7 Death of baby by timing of death	2		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
7.1 Stillbirth	2	145	Risk Ratio (M‐H, Fixed, 95% CI)	1.11 [0.45, 2.75]
7.2 Perinatal death	2	145	Risk Ratio (M‐H, Fixed, 95% CI)	1.07 [0.52, 2.19]
7.3 Neonatal death	2	145	Risk Ratio (M‐H, Fixed, 95% CI)	0.99 [0.28, 3.50]
8 Preterm birth	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	0.98 [0.71, 1.35]
9 Endotracheal intubation	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	0.65 [0.11, 3.76]
10 Admission to neonatal intensive care nursery	1	105	Risk Ratio (M‐H, Fixed, 95% CI)	0.75 [0.49, 1.17]