Intestinal microbiota composition in pregnant women and its influence on the incidence of adverse perinatal outcomes

Autores/as

DOI:

https://doi.org/10.11606/issn.2176-7262.rmrp.2025.217616

Palabras clave:

Intestinal microbiology, Pregnancy, Perinatal care

Resumen

Objective: Investigating the association between intestinal microbiota composition in pregnant women and incidence of adverse perinatal outcomes based on a systematic review. Methods: The search was carried out in PubMed, Embase, Lilacs, Scopus and Web of Science databases. A formal protocol was registered in PROSPERO database (registration number CRD42023470580). The quality of the selected studies was assessed based on the Joanna Briggs Institute Reviewer Manual. Results: In total, 7.393 articles were identified after the search and twelve studies were selected for the present review.  Sample size ranged from 16 to 1.479 women, and participants' chronological age ranged from 20 to 40 years old. For the analysis of intestinal microbiota, all articles used fecal samples, with      genetic extraction of nucleic acids such as deoxyribonucleic acid and ribonucleic acid, and sequencing of specific genes from fecal. Eight different outcomes were identified, including fetal demise, fetal abdominal circumference, intrauterine growth, femoral length, weight, head circumference, premature birth and gestational weight gain. These outcomes were associated with more than thirty (30) intestinal strains, such as those from the families Eubacteriaceae, Lachnospiraceae, Ruminococcaceae, Parabacteroides, and the genus Streptococcus. Conclusion: This review highlighted the existence of an association between intestinal microbiota and adverse perinatal outcomes, such as fetal demise, fetal abdominal circumference, intrauterine growth, femoral length, weight, head circumference, and premature birth, with over thirty strains of intestinal bacteria.

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Biografía del autor/a

  • Thiago Marques Wanderley, Universidade Federal de Alagoas

    Mestre em Nutrição Humana

  • Bianca Gomes de Gomes de Souza, Universidade Federal de Alagoas, Faculdade de Nutrição, Maceió, (AL), Brasil

    Doutoranda em Nutrição Humana

  • Tauane Alves Dutra, Universidade Federal de Alagoas, Faculdade de Nutrição, Maceió, (AL), Brasil

    Doutoranda em Ciências da Saúde

  • Danielle Alice Vieira da Silva, Universidade Federal de Alagoas, Faculdade de Nutrição, Maceió, (AL), Brasil

    Doutoranda em Ciências da Saúde

  • Marilene Brandão Tenório Fragoso, Universidade Federal de Alagoas, Faculdade de Nutrição, Maceió, (AL), Brasil

    Doutorado em Biotecnologia em Saúde

  • Nassib Bezerra Bueno, Universidade Federal de São Paulo, São Paulo, (SP), Brasil

    Doutorado em Pediatria 

  • Alane Cabral Menezes de Oliveira, Universidade Federal de Alagoas, Faculdade de Nutrição, Maceió, (AL), Brasil

    Doutorado em Biotecnologia em Saúde

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Publicado

2025-12-16

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Cómo citar

1.
Wanderley TM, Souza BG de G de, Dutra TA, Silva DAV da, Fragoso MBT, Bueno NB, et al. Intestinal microbiota composition in pregnant women and its influence on the incidence of adverse perinatal outcomes. Medicina (Ribeirão Preto) [Internet]. 16 de diciembre de 2025 [citado 31 de enero de 2026];58(2):e-217616. Disponible en: https://revistas.usp.br/rmrp/article/view/217616