Evidence map›Paper›PMID 32000260›Full record

ArticlePediatric research2020

Hormone levels in preterm and donor human milk before and after Holder pasteurization.

Réka A Vass, Edward F Bell, Tarah T Colaizy, Mendi L Schmelzel, Karen J Johnson, Jacky R Walker, Tibor Ertl, Robert D Roghair

Abstract read
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In one paragraph

Article in Pediatric research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
2.4field-weighted citation impact, top 12% of its field
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

18 citing papers in PubMed, 28 citations in OpenAlex.

  1. Trial
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  3. Metabolic health conditions in pregnancy, human milk hormone concentrations, and infant adiposity.Journal of perinatology : official journal of the California Perinatal Association · 2026
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  15. Glucocorticoids in preterm human milk.Frontiers in nutrition · 2022
    Article
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  18. 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

8 authors at 2 institutions in 2 countries.

Réka A VassDepartments of Neonatology and Obstetrics & Gynecology, University of Pécs Medical School, Pécs, Hungary.
Edward F BellDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Tarah T ColaizyDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Mendi L SchmelzelDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Karen J JohnsonDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Jacky R WalkerDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Tibor ErtlDepartments of Neonatology and Obstetrics & Gynecology, University of Pécs Medical School, Pécs, Hungary.
Robert D RoghairDepartment of Pediatrics, University of Iowa Carver College of Medicine, Iowa City, IA, USA. robert-roghair@uiowa.edu.
University of Iowa · USUniversity of Pecs · HU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAfter birth, breastfeeding is the exclusive source of hormonal signaling between mother and infant. Hospitalized infants often receive donor milk when their own mother's milk is unavailable.

methodsThe presence of insulin, leptin, cortisol, progesterone, and testosterone was examined in samples from milk bank donors and mothers of preterm infants. We further investigated the effect of Holder pasteurization (HoP) on hormone levels.

resultsComparing nonpasteurized samples, leptin levels were nearly threefold higher in milk from mothers of preterm infants versus donated milk, and regardless of milk source, leptin levels were significantly decreased by HoP. Insulin concentrations were also decreased by HoP, and among mothers of preterm infants, obesity was associated with significantly higher content of leptin and insulin. While combined use of donor milk and HoP was associated with cortisol levels nearly threefold higher than those in nonpasteurized own mother's milk, progesterone and testosterone content did not differ by source or pasteurization.

conclusionsThe hormonal composition of breast milk is impacted by HoP and maternal obesity. Compared to nonpasteurized maternal milk, use of pasteurized donor milk dramatically decreases the intake of leptin while increasing the intake of cortisol. Further research is necessary to define optimal breast milk processing practices.

Indexed as

Breast FeedingPasteurizationFemaleHormonesHumansHydrocortisoneInfantInfant, NewbornInfant Nutritional Physiological PhenomenaInfant, PrematureInsulinIntensive Care, NeonatalIntensive Care Units, NeonatalIowaLeptinMaleHormonesHydrocortisoneInsulinLeptinProgesteroneTestosterone

Identifiers

PMID32000260
OpenAlexW3003599370

What OpenQuestion holds

Textmetadata
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.