Long protocol vs three weeks before stimulation: Clinical pregnancy rate
Long protocol: administration of GnRHa for two showed no clear difference in clinical pregnancies per woman randomised compared with three weeks before stimulation (low certainty).
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Long protocol: administration of GnRHa for two vs three weeks before stimulation Clinical pregnancies per woman randomised · women undergoing pituitary suppression in assisted reproduction Long protocol: administration of GnRHa for two showed no clear difference in clinical pregnancies per woman randomised compared with three weeks before stimulation (low certainty). Gonadotrophin‐releasing hormone agonist protocols for pituitary suppression in assisted reproduction (2015) · Cochrane Headline outcomes only | OR 0.93 [0.39, 2.21] | 1 study · 85 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Gonadotrophin‐releasing hormone agonist protocols for pituitary suppression in assisted reproduction 2015 · 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.