Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,510 questions · 2,653 findings · 194 reviews · Gynaecology and Fertility

No studies found 531 · 20%GRADE not reported 76 · 2.9%Very low 826 · 31.1%Low 855 · 32.2%Moderate 341 · 12.9%High 24 · 0.9%

Metformin vs megestrol

Regression of endometrial hyperplasia (with or without atypia) to proliferative, secretory, or atrophic endometrium · endometrial hyperplasia

It is very uncertain whether summary of findings table ‐ Metformin changes regression of endometrial hyperplasia (with or without atypia) to… compared with megestrol (very low certainty).

1 finding from 1 review

Summary of findings table ‐ Metformin + megestrol vs megestrol

Progression of endometrial hyperplasia to endometrial cancer · endometrial hyerplasia

It is very uncertain whether summary of findings table ‐ Metformin + megestrol changes progression of endometrial hyperplasia to endometrial cancer compared with megestrol (very low certainty).

1 finding from 1 review