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Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4 questions · 8 findings · 1 reviews · Headline outcomes only

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No studies found 3 · 37.5%GRADE not reported 0 · 0%Very low 0 · 0%Low 5 · 62.5%Moderate 0 · 0%High 0 · 0%

Summary of findings table ‐ Progestogens vs placebo or no pretreatment

Live birth or ongoing pregnancy · ovarian stimulation protocols for women undergoing ART

Progestogen showed no clear difference in live birth or ongoing pregnancy (Prog + Ant vs Ant) compared with placebo or no pretreatment (low certainty).

2 findings from 1 review

Summary of findings table ‐ Progestogens vs placebo or no pretreatment

Pregnancy loss · ovarian stimulation protocols for women undergoing ART

Progestogen showed no clear difference in pregnancy loss (Prog + Ag vs Ag) compared with placebo or no pretreatment (low certainty).

2 findings from 1 review

Summary of findings table ‐ Progestogens vs placebo or no pretreatment

Multiple pregnancy rate · ovarian stimulation protocols for women undergoing ART

The review found no eligible studies for this question.

2 findings from 1 review

Summary of findings table ‐ Progestogens vs placebo or no pretreatment

OHSS · ovarian stimulation protocols for women undergoing ART

The review found no eligible studies for this question.

2 findings from 1 review