Question · asked by 1 review
Combined oral contraceptive pill vs contraceptive vaginal ring: Menstrual blood loss: mean loss
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Combined oral contraceptive pill vs contraceptive vaginal ring Menstrual blood loss ‐ At end of treatment (MBL) · heavy menstrual bleeding Combined hormonal contraceptives for heavy menstrual bleeding (2019) · Cochrane Headline outcomes only | no estimate extracted | 2 studies · 100 participants | Very low |
Combined oral contraceptive pill vs contraceptive vaginal ring Menstrual blood loss ‐ After 3 months · heavy menstrual bleeding Combined hormonal contraceptives for heavy menstrual bleeding (2019) · Cochrane Headline outcomes only | no estimate extracted | 1 study · 50 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Combined hormonal contraceptives for heavy menstrual bleeding 2019 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.