Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

625 questions · 647 findings · 67 reviews · Pregnancy and Childbirth

No studies found 83 · 12.8%GRADE not reported 70 · 10.8%Very low 141 · 21.8%Low 227 · 35.1%Moderate 97 · 15%High 29 · 4.5%

Oral magnesium vs placebo/no treatment

Duration of leg cramps: persisting symptoms after night‐time cramps Always · treating leg cramps in pregnancy

Oral magnesium may leads to lower duration of leg cramps: persisting symptoms after night‐time cramps… compared with placebo/no treatment (low certainty).

1 finding from 1 review

Oral magnesium vs placebo/no treatment

Duration of leg cramps: persisting symptoms after night‐time cramps Sometimes · treating leg cramps in pregnancy

It is very uncertain whether oral magnesium changes duration of leg cramps: persisting symptoms after night‐time cramps… compared with placebo/no treatment (very low certainty).

1 finding from 1 review

Oral magnesium vs placebo/no treatment

Composite outcome: symptoms of leg cramps (intensity and frequency) Partial improvement: decrease in intensity and frequency · treating leg cramps in pregnancy

It is very uncertain whether oral magnesium changes composite outcome: symptoms of leg cramps (intensity and frequency)… compared with placebo/no treatment (very low certainty).

1 finding from 1 review