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Updated: Dec 25, 2025

Individualized Reconstitution of Human Milk Microbiota: A Feasible Approach in Real-World Settings
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Human milk contains a unique microbiome that influences infant gut health. Research suggests this milk microbiome originates from the maternal gut, offering potential new ways to improve infant health.

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Area of Science:

  • Microbiology
  • Infant Health
  • Human Milk Studies

Background:

  • Breastfeeding provides health benefits and shapes the infant gut microbiome.
  • The human milk microbiome's origin and function are not fully understood.
  • The milk microbiome is influenced by maternal factors like antibiotic use and delivery mode.

Purpose of the Study:

  • To explore the origin of the human milk microbiome.
  • To understand the role of the milk microbiome in infant gut colonization.
  • To investigate the potential of modulating the milk microbiome for child health.

Main Methods:

  • Review of experimental and clinical studies.
  • Analysis of microbial composition in human milk and infant feces.
  • Investigation of the enteromammary pathway.

Main Results:

  • Specific bacteria are found in both human milk and infant feces.
  • Bacteria in milk appear to be a source for neonatal gut microbes.
  • The milk microbiome composition varies with maternal health and delivery method.

Conclusions:

  • The maternal gut is a likely origin of the milk microbiome via the enteromammary pathway.
  • The milk microbiome plays a role in infant gut colonization.
  • Targeting the milk microbiome could offer novel strategies for enhancing infant health.