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What do systematic reviews say?

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Evidence found and GRADE certainty

6 questions · 6 findings · 4 reviews · Gynaecology and Fertility

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No studies found 1 · 16.7%GRADE not reported 0 · 0%Very low 3 · 50%Low 2 · 33.3%Moderate 0 · 0%High 0 · 0%

Embryo culture supernatant injection vs no intervention

Live birth or ongoing pregnancy · Subfertile women undergoing assisted reproduction

It is very uncertain whether embryo culture supernatant injection changes live birth/ongoing pregnancy compared with no intervention (very low certainty).

1 finding from 1 review

Intrauterine infusion of autologous platelet‐rich plasma vs no intervention

Live birth or ongoing pregnancy · women undergoing assisted reproduction

It is very uncertain whether intrauterine injection of autologous platelet‐rich plasma changes live birth (or ongoing pregnancy) compared with no intervention (very low certainty).

1 finding from 1 review

Intrauterine infusion/injection of autologous platelet‐rich plasma vs placebo or no intervention

Live birth or ongoing pregnancy · women undergoing assisted reproduction

It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes live birth (or ongoing pregnancy) compared with no intervention or placebo (very low certainty).

1 finding from 1 review

GnRHa depot vs GnRHa daily injection

Ongoing pregnancy / live birth rate per woman · women undergoing pituitary suppression in assisted reproduction

GnRHa depot showed no clear difference in live birth/ongoing pregnancy rate per woman Delivery of one or more… compared with gnRHa daily injection (low certainty).

1 finding from 1 review