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%

Antioestrogen vs antioestrogen

Clinical pregnancy rate · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether antioestrogen changes clomiphene citrate plus tamoxifen versus clomiphene citrate ‐… compared with antioestrogen (very low certainty).

2 findings from 1 review

Antioestrogen plus medical adjunct vs antioestrogen

Clinical pregnancy · ovulation induction in polycystic ovarian syndrome

Antioestrogen plus medical adjunct showed no clear difference in clomiphene citrate plus bromocriptine versus clomiphene citrate ‐… compared with antioestrogen alone (low certainty).

1 finding from 1 review

Intervention not reported

Live birth ‐ Clomiphene citrate 5 days versus clomiphene citrate 10 days · ovulation induction in polycystic ovarian syndrome

The intervention may leads to lower live birth ‐ Clomiphene citrate 5 days versus clomiphene citrate 10… (low certainty).

1 finding from 1 review

Intervention not reported

Clinical pregnancy ‐ Clomiphene citrate 5 days versus clomiphene citrate 10 days · ovulation induction in polycystic ovarian syndrome

The intervention may leads to lower clinical pregnancy ‐ Clomiphene citrate 5 days versus clomiphene… (low certainty).

1 finding from 1 review

Intervention not reported

Multiple pregnancy ‐ Clomiphene citrate 5 days versus clomiphene citrate 10 days · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether the intervention changes multiple pregnancy ‐ Clomiphene citrate 5 days versus clomiphene… (very low certainty).

1 finding from 1 review

Intervention not reported

Miscarriage rate ‐ Early versus late clomiphene citrate · ovulation induction in polycystic ovarian syndrome

It is very uncertain whether the intervention changes miscarriage rate ‐ Early versus late clomiphene citrate (very low certainty).

1 finding from 1 review

Intervention not reported

Clinical pregnancy ‐ Early versus late clomiphene citrate · ovulation induction in polycystic ovarian syndrome

The intervention may leads to higher clinical pregnancy ‐ Early versus late clomiphene citrate (low certainty).

1 finding from 1 review