Findings

What do systematic reviews say?

3 questions · 6 findings · 2 reviews · asked by two or more reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 4 · 66.7%Low 2 · 33.3%Moderate 0 · 0%High 0 · 0%

Metformin vs clomiphene

Live birth rate per woman aParticipants with BMI ≥ 30 kg/m2 · women with polycystic ovary syndrome

It is very uncertain whether metformin changes live birth rate per woman aParticipants with BMI ≥ 30 kg/m2 compared with clomiphene citrate (very low certainty).

2 findings from 2 reviews · compare the 2 reviews

Metformin for ovulation induction (excluding gonadotrophins) in women with polycystic ovary syndrome 2019 · Cochrane Headline outcomes only
OR 0.3 [0.17, 0.52]
2 studies · 500 participants
Very low
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with polycystic ovary… 2017 · Cochrane Headline outcomes only
OR 0.3 [0.17, 0.52]
2 studies · 500 participants
Very low

Metformin vs clomiphene

Live birth rate per woman aParticipants with BMI < 30 kg/m2 or ≤ 32 kg/m2 · women with polycystic ovary syndrome

It is very uncertain whether metformin changes live birth rate per woman aParticipants with BMI < 30 kg/m2 or ≤ 32… compared with clomiphene citrate (very low certainty).

2 findings from 2 reviews · compare the 2 reviews

Metformin for ovulation induction (excluding gonadotrophins) in women with polycystic ovary syndrome 2019 · Cochrane Headline outcomes only
OR 1.71 [1, 2.94]
3 studies · 241 participants
Very low
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with polycystic ovary… 2017 · Cochrane Headline outcomes only
OR 1.71 [1, 2.94]
3 studies · 241 participants
Very low

Metformin combined with clomiphene citrate vs clomiphene

Live birth rate per woman · women with polycystic ovary syndrome

Metformin combined with clomiphene citrate showed no clear difference in live birth rate per woman compared with clomiphene citrate alone (low certainty).

2 findings from 2 reviews · compare the 2 reviews

Metformin for ovulation induction (excluding gonadotrophins) in women with polycystic ovary syndrome 2019 · Cochrane Headline outcomes only
OR 1.27 [0.98, 1.65]
10 studies · 1219 participants
Low
Insulin‐sensitising drugs (metformin, rosiglitazone, pioglitazone, D‐chiro‐inositol) for women with polycystic ovary… 2017 · Cochrane Headline outcomes only
OR 1.21 [0.92, 1.59]
9 studies · 1079 participants
Low