Findings

What do systematic reviews say?

4 questions · 4 findings · 1 reviews

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No studies found 1 · 25%GRADE not reported 0 · 0%Very low 1 · 25%Low 1 · 25%Moderate 1 · 25%High 0 · 0%

Combined oral contraceptive pill vs NSAIDs

Adverse events · heavy menstrual bleeding

The review found no eligible studies for this question.

1 finding from 1 review

Combined hormonal contraceptives for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Combined oral contraceptive pill vs contraceptive vaginal ring

Adverse events: nausea · heavy menstrual bleeding

Combined oral contraceptive pill may leads to higher adverse events: nausea compared with contraceptive vaginal ring (low certainty).

1 finding from 1 review

Combined hormonal contraceptives for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only
OR 5.56 [1.27, 24.39]
2 studies · 100 participants
Low

Combined oral contraceptive pill vs levonorgestrel intrauterine system

Adverse effects ‐ Any adverse events · heavy menstrual bleeding

It is very uncertain whether combined oral contraceptive pill changes adverse effects ‐ Any adverse events compared with levonorgestrel‐releasing intrauterine system (very low certainty).

1 finding from 1 review

Combined hormonal contraceptives for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only
OR 1.5 [0.22, 10.14]
1 study · 39 participants
Very low

Combined oral contraceptive pill vs placebo

Adverse events ‐ treatment emergent · heavy menstrual bleeding

Combined oral contraceptive pill probably leads to higher adverse events ‐ Any adverse events (treatment‐emergent) compared with placebo (moderate certainty).

1 finding from 1 review

Combined hormonal contraceptives for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only
OR 2.17 [1.34, 3.5]
2 studies · 411 participants
Moderate