Findings

What do systematic reviews say?

37 questions · 38 findings · 11 reviews · Gynaecology and Fertility

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No studies found 11 · 28.9%GRADE not reported 1 · 2.6%Very low 10 · 26.3%Low 9 · 23.7%Moderate 7 · 18.4%High 0 · 0%

Intervention not reported

Clinical pregnancy · couples with an in vitro fertilisation indication

The intervention probably leads to lower clinical pregnancy (moderate certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 0.56 [0.42, 0.73]
5 studies · 1131 participants
Moderate

Intervention not reported

Cumulative live birth · couples with an in vitro fertilisation indication

The intervention showed no clear difference in cumulative live birth (low certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 1.05 [0.66, 1.66]
1 study · 396 participants
Low

Intervention not reported

Live birth rate after the first embryo transfer · couples with an in vitro fertilisation indication

The intervention showed no clear difference in live birth rate after the first embryo transfer (low certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 1.1 [0.68, 1.79]
1 study · 396 participants
Low

Intervention not reported

Miscarriage · couples with an in vitro fertilisation indication

The intervention may leads to lower miscarriage (low certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 0.45 [0.23, 0.88]
1 study · 396 participants
Low

Intervention not reported

Ongoing pregnancy · couples with an in vitro fertilisation indication

The review found no eligible studies for this question.

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Clinical pregnancy · couples with an in vitro fertilisation indication

The intervention showed no clear difference in clinical pregnancy (low certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 0.77 [0.5, 1.16]
1 study · 396 participants
Low

Intervention not reported

Outcomes per woman · couples with an in vitro fertilisation indication

The review found no eligible studies for this question.

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Intervention not reported

Cumulative live birth · couples with an in vitro fertilisation indication

The intervention showed no clear difference in cumulative live birth (low certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 0.59 [0.35, 1.01]
1 study · 408 participants
Low

Intervention not reported

Live birth rate after the first embryo transfer · couples with an in vitro fertilisation indication

The intervention probably leads to lower live birth rate after the first embryo transfer (moderate certainty).

1 finding from 1 review

Preimplantation genetic testing for aneuploidies (abnormal number of chromosomes) in in vitro fertilisation 2020 · Cochrane Headline outcomes only
OR 0.62 [0.43, 0.91]
10 studies · 1680 participants
Moderate

Operative hysteroscopy vs control

Live birth · women with submucous fibroids and otherwise unexplained subfertility

The review found no eligible studies for this question.

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Operative hysteroscopy vs control

Adverse events: hysteroscopy complications · women with submucous fibroids and otherwise unexplained subfertility

The review found no eligible studies for this question.

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Operative hysteroscopy vs control

Clinical pregnancya Ultrasound 12 months · women with submucous fibroids and otherwise unexplained subfertility

It is very uncertain whether operative hysteroscopy changes clinical pregnancya Ultrasound 12 months compared with control (very low certainty).

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
OR 2.44 [0.97, 6.17]
1 study · 94 participants
Very low

Operative hysteroscopy vs control

Adverse events: miscarriaged Ultrasound 12 months · women with submucous fibroids and otherwise unexplained subfertility

It is very uncertain whether operative hysteroscopy changes adverse events: miscarriaged Ultrasound 12 months compared with control (very low certainty).

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
OR 1.54 [0.47, 5]
1 study · 94 participants
Very low

Operative hysteroscopy vs control

Live birth · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and intrauterine insemination

The review found no eligible studies for this question.

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Operative hysteroscopy vs control

Adverse events: hysteroscopy complications · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and intrauterine insemination

The review found no eligible studies for this question.

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Operative hysteroscopy vs control

Clinical pregnancya Ultrasound 4 intrauterine insemination cycles · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and intrauterine insemination

Operative hysteroscopy may leads to higher clinical pregnancya Ultrasound 4 intrauterine insemination cycles compared with control (low certainty).

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
OR 4.41 [2.45, 7.96]
1 study · 204 participants
Low

Operative hysteroscopy vs control

Adverse events ‐ Miscarriage · subfertile women with endometrial polyps diagnosed by ultrasonography prior to treatment with gonadotropin and intrauterine insemination

The review found no eligible studies for this question.

1 finding from 1 review

Hysteroscopy for treating subfertility associated with suspected major uterine cavity abnormalities 2018 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found