Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,908 questions · 3,101 findings · 509 reviews

No studies found 571 · 18.4%GRADE not reported 358 · 11.5%Very low 723 · 23.3%Low 854 · 27.5%Moderate 489 · 15.8%High 106 · 3.4%

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

Antihypertensive drug class vs placebo

Angiotensin receptor blocker (any dose) Mean duration of 4 weeks · children (from 1 to 18 years of age) with hypertension from primary or secondary causes
2 findings 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