Preconception lifestyle advice on weight vs usual care or attention control: Live birth
It is very uncertain whether preconception lifestyle advice on weight changes live birth compared with routine care or attention control (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Preconception lifestyle advice on weight vs routine care or attention control Live birth · women with infertility and obesity It is very uncertain whether preconception lifestyle advice on weight changes live birth compared with routine care or attention control (very low certainty). Preconception lifestyle advice for people with infertility (2021) · Cochrane Headline outcomes only | RR 0.94 [0.62, 1.43] | 2 studies · 707 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Preconception lifestyle advice for people with infertility 2021 · 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.