Antioxidants vs Placebo, no intervention or usual care (with or without placebo): Clinical pregnancy
It is very uncertain whether antioxidant(s) changes clinical pregnancy; antioxidants vs placebo or no treatment/standard… compared with placebo or no treatment/standard treatment (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Antioxidant(s) vs placebo or no treatment/standard treatment Clinical pregnancy; antioxidants vs placebo or no treatment/standard treatment (natural conceptions and undergoing fertility treatments) · Subfertile women It is very uncertain whether antioxidant(s) changes clinical pregnancy; antioxidants vs placebo or no treatment/standard… compared with placebo or no treatment/standard treatment (very low certainty). Antioxidants for female subfertility (2013) · Cochrane Headline outcomes onlyearlier version CD007807.PUB2, superseded | OR 1.3 [0.92, 1.85] | 13 studies · 2441 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Antioxidants for female subfertility 2020 · 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.