evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

5 questions · 5 findings · 5 reviews · Headline outcomes only

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 40%Low 2 · 40%Moderate 1 · 20%High 0 · 0%

Human chorionic gonadotropin (hCG) injection vs no treatment

Clinical pregnancy rate · women trying to conceive by intrauterine insemination

It is very uncertain whether human chorionic gonadotropin (hCG) injection changes clinical pregnancy rate compared with no treatment (very low certainty).

1 finding from 1 review

Repeated single embryo transfer (mixed policies) vs multiple embryo transfer

Clinical pregnancy rate · transfer following in vitro fertilisation or intracytoplasmic sperm injection

Repeated single embryo transfer (mixed policies) showed no clear difference in clinical pregnancy rate compared with multiple embryo transfer (low certainty).

1 finding from 1 review

Day 3 vs Day 2 embryo transfer following IVF or ICSI

Clinical pregnancy rate · Women undergoing in vitro fertilisation or intracytoplasmic sperm injection

It is very uncertain whether day 3 changes clinical pregnancy rate per woman compared with day 2 embryo transfer following IVF or ICSI (very low certainty).

1 finding from 1 review

GnRHa depot vs GnRHa daily injection

Clinical pregnancy rate · women undergoing pituitary suppression in assisted reproduction

GnRHa depot showed no clear difference in clinical pregnancy rate per woman Identified by the presence of a… compared with gnRHa daily injection (moderate certainty).

1 finding from 1 review