Findings

What do systematic reviews say?

4 questions · 4 findings · 2 reviews

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No studies found 1 · 25%GRADE not reported 0 · 0%Very low 3 · 75%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

IVF vs unstimulated IUI

Miscarriage · women with unexplained subfertility

It is very uncertain whether IVF changes miscarriage rate per woman randomised compared with unstimulated IUI (very low certainty).

1 finding from 1 review

In vitro fertilisation for unexplained subfertility 2023 · Cochrane Headline outcomes only
OR 1.72 [0.14, 21.25]
1 study · 43 participants
Very low

IVF vs IUI + ovarian stimulation with gonadotropins or CC

Miscarriage · women with unexplained subfertility

It is very uncertain whether IVF changes miscarriage rate per woman randomised compared with IUI + ovarian stimulation with gonadotropins or CC (very low certainty).

1 finding from 1 review

In vitro fertilisation for unexplained subfertility 2023 · Cochrane Headline outcomes only
OR 0.31 [0.03, 3.04]
1 study · 207 participants
Very low

IVF vs expectant management

Miscarriage · women with unexplained subfertility

The review found no eligible studies for this question.

1 finding from 1 review

In vitro fertilisation for unexplained subfertility 2023 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Assisted hatching vs no assisted hatching

Miscarriage · women undergoing assisted reproduction

It is very uncertain whether assisted hatching changes miscarriage rate per woman randomised compared with no assisted hatching (very low certainty).

1 finding from 1 review

Assisted hatching on assisted conception (in vitro fertilisation (IVF) and intracytoplasmic sperm injection (ICSI)) 2021 · Cochrane Headline outcomes only
OR 1.13 [0.82, 1.56]
17 studies · 2810 participants
Very low