Evidence map›Paper›PMID 41863742›Full record

ArticleJournal of assisted reproduction and genetics2026

Oxygen equilibration dynamics in assisted reproductive technology embryo culture media.

Sanjana Kulkarni, Bailey K Morris, Sacha A Krieg, Thomas O'Leary, Adam Krieg

Abstract read
In one paragraph

Article in Journal of assisted reproduction and genetics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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1 · What the graph read from it

What it found

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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

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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Sanjana KulkarniDivision of Reproductive, Endocrinology and Infertility, Department of Obstetrics and Gynecology, Oregon Health and Science Univeristy, OR, Portland, United States. kulkarnis@ohsu.edu.
Bailey K MorrisDivision of Reproductive, Endocrinology and Infertility, Department of Obstetrics and Gynecology, Oregon Health and Science Univeristy, OR, Portland, United States.
Sacha A KriegDivision of Reproductive, Endocrinology and Infertility, Department of Obstetrics and Gynecology, Oregon Health and Science Univeristy, OR, Portland, United States.
Thomas O'LearyDivision of Reproductive, Endocrinology and Infertility, Department of Obstetrics and Gynecology, Oregon Health and Science Univeristy, OR, Portland, United States.
Adam KriegDivision of Gynecologic Oncology, Department of Obstetrics and Gynecology, Oregon Health and Science University, OR, Portland, United States. kriega@ohsu.edu.

Funding

Oxygen as a Potential Regulator of Follicle Quiescence in the Primate OvaryR21HD094983 · NICHD · OREGON HEALTH & SCIENCE UNIVERSITY · PI KRIEG, ADAM J, TING, ALISON Y · 2018 to 2019
$481k
NIH HHS R21HD094983
6 · The paper itself

Abstract

purposeOptimal oxygen saturation is essential for successful in vitro embryo culture in assisted reproductive technology (ART). Reduced oxygen levels (3-8%) improve embryo development by minimizing oxidative stress; however, limited knowledge exists about transient oxygen fluctuations during handling outside hypoxic incubators. This study aimed to quantify oxygen saturation dynamics in embryo culture media under conditions designed to replicate routine ART laboratory workflows.

methodsEmbryo culture media droplets were prepared in room air and overlayed with light or heavy mineral oil. Dishes were equilibrated in a hypoxia chamber (5% O

resultsMedia was allowed to equilibrate from atmospheric to hypoxic conditions for 12 h. Light oil overlays demonstrated faster equilibration (half-life 71 min) compared to heavy oil (half-life 116 min, p < 0.0001). Upon reoxygenation, oxygen saturation rose rapidly, with light oil droplets reoxygenating with a half-time rise of 50 min and heavy oil in 78 min (p < 0.0001).

conclusionIn ART media, hypoxic oxygen equilibration is a gradual process while reoxygenation is rapid. Oil viscosity significantly influences oxygen equilibration dynamics, with light oil permitting faster equilibration and reoxygenation. These findings underscore the importance of minimizing atmospheric exposure during routine handling and highlight the role of overlay oil in reducing transient oxygen fluctuations.

Indexed as

Culture MediaEmbryo Culture TechniquesEmbryonic DevelopmentOxygenReproductive Techniques, AssistedFemaleHumansMineral OilCulture MediaMineral OilOxygenART media preparationMedia equilibrationOxygen saturation equilibrationReactive oxygen species

Identifiers

PMID41863742
PMCPMC13221498

What OpenQuestion holds

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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.