Findings

What do systematic reviews say?

24 questions · 25 findings · 8 reviews

No studies found 8 · 32%GRADE not reported 0 · 0%Very low 5 · 20%Low 11 · 44%Moderate 1 · 4%High 0 · 0%

Live birth rate · women with gonadotropin plus oral (clomiphene citrate or letrozole) stimulation

The review found no eligible studies for this question.

1 finding from 1 review

Live birth rate per woman · subfertile women with polycystic ovary syndrome

Metformin may leads to higher live birth rate (per woman) compared with placebo co‐treatment (low certainty).

1 finding from 1 review

Live birth or ongoing pregnancy · women with oral (clomiphene citrate or letrozole) stimulation

Progesterone showed no clear difference in live birth rate/ongoing pregnancy compared with placebo/no treatment (low certainty).

1 finding from 1 review

Live birth or ongoing pregnancy · women with gonadotropin stimulation

Progesterone showed no clear difference in live birth rate/ongoing pregnancy rate compared with placebo/no treatment (low certainty).

1 finding from 1 review