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What do systematic reviews say?

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Evidence found and GRADE certainty

5 questions · 5 findings · 2 reviews

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No studies found 1 · 20%GRADE not reported 0 · 0%Very low 0 · 0%Low 4 · 80%Moderate 0 · 0%High 0 · 0%

Long luteal phase protocol vs long follicular phase protocol

Live birth or ongoing pregnancy · women undergoing pituitary suppression in assisted reproduction

Long luteal phase protocol showed no clear difference in live birth and ongoing pregnancies per woman randomised compared with long follicular phase protocol (low certainty).

1 finding from 1 review

Long luteal phase protocol vs long follicular phase protocol

Clinical pregnancy rate · women undergoing pituitary suppression in assisted reproduction

Long luteal phase protocol showed no clear difference in clinical pregnancies per woman randomised compared with long follicular phase protocol (low certainty).

1 finding from 1 review

Intervention not reported

Live birth or ongoing pregnancy Short protocol vs long protocol · subfertile women

The intervention showed no clear difference in live birth or ongoing pregnancy Short protocol vs long protocol (low certainty).

1 finding from 1 review

Intervention not reported

Live birth/ongoing pregnancy ‐ short vs long protocol · subfertile women

The intervention showed no clear difference in live birth/ongoing pregnancy ‐ short vs long protocol (low certainty).

1 finding from 1 review

Intervention not reported

OHSS ‐ short vs long protocol · subfertile women

The review found no eligible studies for this question.

1 finding from 1 review