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[The study of the meconial microbiota for the purposes of forensic science and practice]

A M Khromova1,2,3, M I Timerzyanov1,2,3, Yu V Valeeva3

  • 1Republican Bureau of Forensic Medical Examination, Kazan, Russia.

Sudebno-Meditsinskaia Ekspertiza
|December 22, 2025
PubMed

Insights

Prenatal and perinatal conditions impact the fetal and newborn intestinal microbiome. Understanding this microbiome is crucial for optimizing infant health and development strategies.

Area of Science:

  • Microbiology
  • Neonatology
  • Developmental Biology

Background:

  • Prenatal and perinatal pathological processes significantly affect the fetal and newborn intestinal microbiome.
  • The intestinal microbiome plays a critical role in early life development.

Purpose of the Study:

  • To review scientific literature on the influence of the newborn intestinal microbiome on postembryonic development.
  • To highlight the importance of the maternal-fetal microbial transfer.

Main Methods:

  • A comprehensive literature search was conducted across major scientific databases (eLibrary, Web of Science, PubMed, Scopus).
  • Thirty-three relevant publications were selected and analyzed for this review.

Main Results:

  • Evidence confirms that meconium is not sterile, indicating microbial transfer from mother to fetus.
  • Alterations in the gut microbiome's taxonomic composition have diagnostic value.

Conclusions:

  • The non-sterility of meconium supports the concept of maternal-fetal microbial transmission.
  • Identifying microbiome dysbiosis aids in developing targeted prevention and treatment strategies for infant health.

Keywords:
forensic medical examinationintestinal microbiomemeconiumnewborns

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