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%

Aromatase inhibitors with gonadotropins vs anti‐oestrogens with gonadotropins

Live birth rate per couple · intrauterine insemination (IUI) in women with infertility

It is very uncertain whether aromatase inhibitors with gonadotropins changes live birth rate per couple compared with anti‐oestrogens with gonadotropins (very low certainty).

1 finding from 1 review

Aromatase inhibitors with gonadotropins vs anti‐oestrogens with gonadotropins

Multiple pregnancy rate · intrauterine insemination (IUI) in women with infertility

Aromatase inhibitors with gonadotropins showed no clear difference in multiple pregnancy rate per couple compared with anti‐oestrogens with gonadotropins (low certainty).

1 finding from 1 review

Aromatase inhibitors with gonadotropins vs anti‐oestrogens with gonadotropins

Clinical pregnancy rate · intrauterine insemination (IUI) in women with infertility

It is very uncertain whether aromatase inhibitors with gonadotropins changes clinical pregnancy rate per couple compared with anti‐oestrogens with gonadotropins (very low certainty).

1 finding from 1 review

Aromatase inhibitors with gonadotropins vs anti‐oestrogens with gonadotropins

Miscarriage · intrauterine insemination (IUI) in women with infertility

It is very uncertain whether aromatase inhibitors with gonadotropins changes miscarriage rate per couple compared with anti‐oestrogens with gonadotropins (very low certainty).

1 finding from 1 review

Aromatase inhibitors with gonadotropins vs anti‐oestrogens with gonadotropins

OHSS · intrauterine insemination (IUI) in women with infertility

Aromatase inhibitors with gonadotropins showed no clear difference in OHSS rate per couple compared with anti‐oestrogens with gonadotropins (low certainty).

1 finding from 1 review

Saline vs carbon dioxide

Adverse events and complications · women undergoing outpatient hysteroscopy

Saline probably leads to lower adverse events and complications compared with carbon dioxide (moderate certainty).

1 finding from 1 review