Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

610 questions · 633 findings · 67 reviews · Headline outcomes only

No studies found 150 · 23.7%GRADE not reported 20 · 3.2%Very low 141 · 22.3%Low 165 · 26.1%Moderate 116 · 18.3%High 41 · 6.5%

Any antihypertensive drug vs no antihypertensive drugs/placebo

Admission to neonatal or intensive care nursery · women with mild to moderate hypertension during pregnancy

Any antihypertensive drug showed no clear difference in admission to neonatal or intensive care nursery compared with no antihypertensive drugs/placebo (low certainty).

1 finding from 1 review

TENS vs no TENS

Relief of pain · women who have given birth vaginally, requiring analgesia for after‐birth pains.

It is very uncertain whether TENS changes adequate pain relief as reported by the woman (during next breast… compared with no TENS (very low certainty).

1 finding from 1 review

TENS vs no TENS

Additional analgesia required (escape analgesia) · women who have given birth vaginally, requiring analgesia for after‐birth pains.

The review found no eligible studies for this question.

1 finding from 1 review