Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

74 questions · 80 findings · 28 reviews

No studies found 23 · 28.8%GRADE not reported 0 · 0%Very low 26 · 32.5%Low 26 · 32.5%Moderate 4 · 5%High 1 · 1.3%

Acupuncture vs sham

Multiple pregnancy rate · polycystic ovarian syndrome

True acupuncture showed no clear difference in multiple pregnancy rate compared with sham acupuncture (low certainty).

1 finding from 1 review

Long‐term GnRH agonist therapy vs no additional therapy

Multiple pregnancy rate · patients with endometriosis prior to standard IVF/ICSI

It is very uncertain whether long‐term GnRH agonist therapy changes multiple pregnancy rate compared with no additional therapy (very low certainty).

1 finding from 1 review