Search

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

73 questions · 73 findings · 35 reviews · Pregnancy and Childbirth

No studies found 20 · 27.4%GRADE not reported 16 · 21.9%Very low 19 · 26%Low 13 · 17.8%Moderate 4 · 5.5%High 1 · 1.4%

Any intermittent iron regimen (with or without other vitamins and minerals) vs daily regimen (with same vitamins and minerals)‐maternal outcomes

Maternal death · Women receiving supplements in pregnancy

Any intermittent iron regimen (with or without other vitamins and… led to lower maternal death (death while pregnant or within 42 days of… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes; GRADE not reported.

1 finding from 1 review

Any supplements containing iron vs same supplements without iron or no treatment/placebo (no iron or placebo)

Maternal death · pregnant women

It is very uncertain whether (Maternal outcomes) Any supplements containing iron changes maternal death (death while pregnant or within 42 days of… compared with same supplements without iron or no treatment/placebo (no iron or… (very low certainty).

1 finding from 1 review

Magnesium sulphate vs placebo (outcomes

Severe maternal outcome potentially related to treatment (death, respiratory arrest, or cardiac arrest)** · women at risk of preterm birth (< 34 weeks' gestation)

Magnesium sulphate showed no clear difference in severe maternal outcome potentially related to treatment (death,… compared with placebo (outcomes (low certainty).

1 finding from 1 review

Intervention not reported

Pregnancy with serious adverse outcome (composite including maternal death, baby death, pre‐eclampsia, small‐for‐gestational age, preterm birth) ‐ only trials with individual participant data · pregnant women considered to be at risk of developing pre‐eclampsia

The intervention leads to lower pregnancy with serious adverse outcome (composite including maternal… (high certainty).

1 finding from 1 review