Evidence map›Paper›PMID 32474560›Full record

ArticleMedical principles and practice : international journal of the Kuwait University, Health Science Centre2020

How to Reduce the Potential Harmful Effects of Light on Blastocyst Development during IVF.

József Bódis, Krisztina Gödöny, Ákos Várnagy, Kálmán Kovács, Miklós Koppán, Bernadett Nagy, János Erostyák, Róbert Herczeg, Julia Szekeres-Barthó, Attila Gyenesei and 1 more

Abstract read
In one paragraph

Article in Medical principles and practice : international journal of the Kuwait University, Health Science Centre, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 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

14 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. ESHRE recommendations on Good Practice in the IVF laboratory†.Human reproduction (Oxford, England) · 2026
    Guideline
  2. Visible light, oxidative stress, and reproduction: The protective role of melatonin.International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics · 2026
    Review
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Clinical Benefits of Decreased Photo-Oxidative Stress on Human Embryo Development.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2024
    Article
  11. Review
  12. Long-Term Effects of ART on the Health of the Offspring.International journal of molecular sciences · 2023
    Review
  13. Review
  14. Review
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

11 authors.

József BódisDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary.
Krisztina GödönyDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary.
Ákos VárnagyDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary.
Kálmán KovácsDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary.
Miklós KoppánDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary.
Bernadett NagyDepartment of Obstetrics and Gynecology, University of Pécs, Pécs, Hungary, bernadett.nagy@aok.pte.hu.
János ErostyákInstitute of Physics, University of Pécs, Pécs, Hungary.
Róbert HerczegSzentágothai Research Center, Pécs, Hungary.
Julia Szekeres-BarthóMTA-PTE Human Reproduction Scientific Research Group, Pécs, Hungary.
Attila GyeneseiSzentágothai Research Center, Pécs, Hungary.
Gabor L KovácsMTA-PTE Human Reproduction Scientific Research Group, Pécs, Hungary.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeEarlier findings revealed the damaging effect of visible light on zygotes and gametes. The aim of our study is to eliminate or significantly reduce the potentially harmful effects of light exposure during in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) and to investigate the effect of light protection on embryo development and implantation. MATERIALS AND

methodsTo protect sperm cells, oocytes, and embryos from the potential harmful effects of light exposure during laboratory procedures, we created a dark environment for the cells and applied red filters on laboratory lamps and UV or infrared filters in the microscopes in order to eliminate white light exposure of the cells throughout all work stages.

resultsThe fertilization rate was significantly (p = 0.011) higher in light-protected ICSI cycles. Blastocyst development rates (blastocyst/embryo) were significantly (p < 0.001) higher in light-protected embryos than in those manipulated in conventional light conditions both in IVF (20.9% difference) and ICSI (38.6% difference). Numbers of clinical pregnancies/transfers of ICSI fertilized day 5 blastocysts were also significantly (p = 0.040) higher in light-protected conditions.

conclusionsThese data show that light protection has a positive effect on fertilization rate and increases the blastocyst development as well as the number of clinical pregnancies/transfers. Implementation of this light protection method in IVF centers may improve the success rate while maintaining maximal embryo safety.

Indexed as

LightingAdultBlastocystEmbryonic DevelopmentFemaleFertilization in VitroHumansOocytesSperm Injections, IntracytoplasmicBlastocyst developmentIntracytoplasmic sperm injectionIVFLight protection

Identifiers

PMID32474560
PMCPMC7768157

What OpenQuestion holds

Textmetadata
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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.