Evidence map›Paper›PMID 36356171›Full record

SynthesisJBRA assisted reproduction2023

Dual trigger vs. Conventional trigger outcomes in In Vitro Fertilization. Systematic review and meta-analysis.

Virginia González González, Alejandra Mayoral Triana, Irene Serrano García, Sara Osado Nieto, Marta Calvo Urrutia, Ignacio Cristóbal García, Teresa Gastañaga-Holguera

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in JBRA assisted reproduction, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Review
  4. Article
  5. The Trigger in IVF Cycles: Molecular Pathways and Clinical Implications.International journal of molecular sciences · 2025
    Review
  6. Review
  7. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Virginia González GonzálezInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Alejandra Mayoral TrianaInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Irene Serrano GarcíaInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Sara Osado NietoInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Marta Calvo UrrutiaInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Ignacio Cristóbal GarcíaInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.
Teresa Gastañaga-HolgueraInstituto de Salud de la Mujer. Hospital Clinico San Carlos, Madrid, Spain.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe aim of this study is to analyze the efficacy of the dual trigger (human chorionic gonadotropin (hCG) + GnRH agonists) compared to the conventional trigger (hCG) in terms of oocyte retrieval (number and oocyte maturity), fertilization rate or number of embryos with two pronuclei, number of high-quality embryos, number of transferred embryos, number of cryopreserved embryos, implantation rate, positive β-hCG rate, ongoing pregnancy rate, abortion rate, and live birth rate.

methodsThis search performed in this systematic review included all literature published in the PubMed database of studies on controlled ovarian stimulation with dual trigger compared with conventional trigger. The meta-analysis included clinical trials and prospective cohort studies.

resultsStatistically significant differences between groups (dual trigger vs. hCG trigger) in terms of number of oocytes retrieved and live birth rate favored the dual trigger protocol. No statistically significant differences were found in the other studied variables. A tend favoring the dual trigger protocol was observed in all studied parameters.

conclusionsDual trigger seems to be more effective in GnRH antagonist cycles in terms of embryo and pregnancy outcome.

Indexed as

Ovulation InductionSperm Injections, IntracytoplasmicChorionic GonadotropinFemaleFertilization in VitroGonadotropin-Releasing HormoneHumansOocytesPregnancyProspective StudiesRetrospective StudiesChorionic GonadotropinGonadotropin-Releasing Hormoneconventional triggerdual triggerGnRH agonistin vitro fertilizationoocyte maturation

Identifiers

PMID36356171
PMCPMC10065780

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.