Findings

What do systematic reviews say?

3 questions · 3 findings · 3 reviews

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

GnRH antagonist vs long‐course GnRH agonist

Live birth rate per woman · women undergoing assisted reproductive technology (ART)

GnRH antagonist showed no clear difference in live birth rate per woman randomised compared with long‐course GnRH agonist (moderate certainty).

1 finding from 1 review

Gonadotrophin‐releasing hormone antagonists for assisted reproductive technology 2016 · Cochrane Headline outcomes only
OR 1.02 [0.85, 1.23]
12 studies · 2303 participants
Moderate

Gonadotropins with GnRH antagonist vs gonadotropins alone

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

It is very uncertain whether gonadotropins with GnRH antagonist changes live birth rate per couple compared with gonadotropins alone (very low certainty).

1 finding from 1 review

Agents for ovarian stimulation for intrauterine insemination (IUI) in ovulatory women with infertility 2021 · Cochrane Headline outcomes only
OR 1.5 [0.52, 4.39]
3 studies · 419 participants
Very low

GnRH agonists vs GnRH antagonists

Live birth rate · women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes

The review found no eligible studies for this question.

1 finding from 1 review

Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found