Evidence map›Paper›PMID 33831952›Full record

ArticleThe American journal of clinical nutrition2021

The need to study human milk as a biological system.

Parul Christian, Emily R Smith, Sun Eun Lee, Ashley J Vargas, Andrew A Bremer, Daniel J Raiten

2 registry-linked trialsOpen access · hybridAbstract read
In one paragraph

Article in The American journal of clinical nutrition, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 114 papers, 10 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
114citing papers in PubMed, 10 pooled it
18.0field-weighted citation impact, top 1% 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.

NCT05949372 naunknown statusnot on this mapstarted 2023, after this paper: background citation

The Effect of Two Different Breastfeeding Positions on Breastfeeding Self-efficacy, Breastfeeding Success and Postpartum Comfort in Primiparous Mothers.

TypeinterventionalSponsorSakarya UniversityRan2023 to 2024Enrolled68ConditionsBreastfeedingArmsGiving a biological breastfeeding position, Giving a football ( armpit) position
NCT06405360 naterminatednot on this mapstarted 2024, after this paper: background citation

DEUX OEUFs:Cracking the Potential of Eggs to Improve Child Growth and Development

TypeinterventionalSponsorUniversity of FloridaRan2024 to 2026Enrolled464ConditionsInfant Malnutrition, Fetal Growth RetardationArmsEgg consumption
3 · Its place in the literature

Who cites it

114 citing papers in PubMed, 10 syntheses or guidelines pooled it, 190 citations in OpenAlex.

  1. Pooled it
  2. Effective Interventions to Prevent Breastfeeding-Related Nipple-Areolar Lesions: A Systematic Review.International journal of environmental research and public health · 2026
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54 more citing papers are in PubMed but not listed here.

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

6 authors at 5 institutions in 1 country.

Parul ChristianJohns Hopkins Bloomberg School of Public Health, Program in Human Nutrition, Department of International Health, Baltimore, MD, USA.
Emily R SmithMilken Institute School of Public Health, The George Washington University, Departments of Global Health and Exercise and Nutrition Sciences, Washington, DC, USA.
Sun Eun LeeThe Bill and Melinda Gates Foundation, Seattle, WA, USA.
Ashley J VargasEunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
Andrew A BremerEunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
Daniel J RaitenEunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA.
Eunice Kennedy Shriver National Institute of Child Health and Human Development · USBill & Melinda Gates Foundation · USJohns Hopkins University · USMilken Institute · USNational Institutes of Health · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Critical advancement is needed in the study of human milk as a biological system that intersects and interacts with myriad internal (maternal biology) and external (diet, environment, infections) factors and its plethora of influences on the developing infant. Human-milk composition and its resulting biological function is more than the sum of its parts. Our failure to fully understand this biology in a large part contributes to why the duration of exclusive breastfeeding remains an unsettled science (if not policy). Our current understanding of human-milk composition and its individual components and their functions fails to fully recognize the importance of the chronobiology and systems biology of human milk in the context of milk synthesis, optimal timing and duration of feeding, and period of lactation. The overly simplistic, but common, approach to analyzing single, mostly nutritive components of human milk is insufficient to understand the contribution of either individual components or the matrix within which they exist to both maternal and child health. There is a need for a shift in the conceptual approach to studying human milk to improve strategies and interventions to support better lactation, breastfeeding, and the full range of infant feeding practices, particularly for women and infants living in undernourished and infectious environments. Recent technological advances have led to a rising movement towards advancing the science of human-milk biology. Herein, we describe the rationale and critical need for unveiling the multifunctionality of the various nutritional, nonnutritional, immune, and biological signaling pathways of the components in human milk that drive system development and maturation, growth, and development in the very early postnatal period of life. We provide a vision and conceptual framework for a research strategy and agenda to change the field of human-milk biology with implications for global policy, innovation, and interventions.

Indexed as

AdultBreast FeedingDietFemaleHumansInfantInfant Nutritional Physiological PhenomenaLactationMaternal Nutritional Physiological PhenomenaMicrobiotaMilk, HumanMothersbioactivesbreastfeedinghuman milkinfantlactationnutrients

Identifiers

PMID33831952
PMCPMC8106761
OpenAlexW3141931654

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.