Preterm delivery and intimacy during pregnancy: interaction between oral, vaginal and intestinal microbiomes

Morban, Demian Arturo Herrera

doi:10.5867/medwave.2015.04.6144

Medwave

2015

DOI: 10.5867/medwave.2015.04.6144

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Preterm delivery and intimacy during pregnancy: interaction between oral, vaginal and intestinal microbiomes

Demian Arturo Herrera Morban

Abstract: During pregnancy, the microbiomes of the mouth, vagina and intestine undergo changes to adapt to the demands of the body, increasing the relationship and similarity between them. Therefore, it is pertinent to consider a literature review to determine the existence of influencing factors for a specific microbiome, which could also modify others. An example is the case of the mouth microbiome that is dependent on the intimate activities of the female, and therefore could be a factor that relates to preterm labor. Show more

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Intestinal Dysbiosis and Premature Delivery: Relationship Between Gestation, Type of Delivery and Maturation of the Neonatal Intestinal Flora

Logroño

Coronel

Macías

et al. 2021

espoch

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Introduction: The imbalance of the microorganisms found in the intestine, is called intestinal dysbiosis, this condition allows the spread or increase of pathogenic bacteria. Objective: To synthesize the paper that maternal intestinal dysbiosis plays in the pathogenesis of preterm birth and the correlation between pregnancy duration, type of delivery and maturation of neonatal intestinal flora. Methods: A bibliographic search was carried out in the following search engines: SCIENCE DIRECT, ELSEVIER, COCHRANE, SCOPUS, MEDLINE, LILACS, CINAHL, PUBMED, SCIELO, EBSCO. Results: 43 articles were found, of which 35 articles were used that contributed transcendental information to this review, and 8 articles that did not meet the criteria were excluded. Discussion: The variation of the balance between the bacteria in the intestine can cause, what is known as maternal inflammatory bowel disease, which is related to premature birth and other conditions Conclusion: Maternal intestinal dysbiosis can cause inflammatory reactions in the uterus that lead to premature delivery, however, more studies are needed to clarify their relationship. Keywords: dysbiosis, premature delivery, pregnancy, caesarean section, newborn. RESUMEN Introducción: La pérdida del equilibrio de los microorganismos que se encuentran en el intestino, es llamado disbiosis intestinal, esta condición permite la propagación o el aumento de bacterias patógenas. Objetivo: Sintetizar el papel que desempeña la disbiosis intestinal materna en la patogénesis del parto prematuro y la correlación que existe entre la duración de la gestación, el tipo de parto y la maduración de la flora intestinal neonatal. Métodos: Se realizó una búsqueda bibliográfica en los siguientes buscadores: SCIENCE DIRECT, ELSEVIER, COCHRANE, SCOPUS, MEDLINE, LILACS, CINAHL, PUBMED, SCIELO, EBSCO. Resultados: Se encontraron 43 artículos de los cuales se utilizaron 35 artículos que aportaron información transcendental a esta revisión, y se excluyeron 8 artículos que no cumplieron con los criterios planteados. Discusión: La variación del equilibrio entre las bacterias en el intestino puede originar, lo que se conoce como enfermedad inflamatoria materna del intestino, misma que se relaciona con el parto prematuro y a otras afecciones. Conclusiones: La disbiosis intestinal materna puede causar reacciones inflamatorias en el útero que conducen a parto prematuro, sin embargo, son necesarios más estudios para aclarar su relación. Palabras clave: disbiosis, parto prematuro, gestación, cesárea, neonato.

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Intestinal Dysbiosis and Premature Delivery: Relationship Between Gestation, Type of Delivery and Maturation of the Neonatal Intestinal Flora

Logroño

Coronel

Macías

et al. 2021

espoch

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Oral Microbiome and Preterm Birth: Correlation or Coincidence? A Narrative Review

Rapone

Ferrara²,

Montemurro

et al. 2020

Open Access Maced J Med Sci

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BACKGROUND: Physiological changes that occur during pregnancy involve, as a natural consequence, also modifications of oral microbiome. However, the addition with microbial imbalance due to pre-existing periodontal infection might impair a pathological alteration in the phylogenetic community structure and composition in the oral cavity, exacerbating an inflammatory status, and becoming a potential risk factor for preterm birth. From the empirical findings about the relationship between periodontal pathogens and systemic diseases, a clear interest focused on the potential impact of some periodontal pathogens on the preterm birth risk has emerged. AIM: Exploration of the potential interdependence existing between dysbiosis of oral microbiome and changes in maternal-fetal barrier in premature rupture of membranes. MATERIALS AND METHODS: In accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, a Medline search was performed for studies focusing on oral microbioma and its association with pre-term birth, and completed by additional hand searching. Two reviewers independently selected studies and extracted data. The search was restricted to only reports written in English. RESULTS: The electronic search produced 66 items. Six duplicates were found. Among the collected studies, 56 were discarded because they met the exclusion criteria. The articles and reports in our review showed a connection between preterm birth and altered oral microbiome, suggesting a potential key role of Fusobacterium nucleatum, a notable periodontal pathogen involved in several pathological periodontal conditions, in increasing the risk of premature birth. CONCLUSIONS: Since F. nucleatum is frequently associated with preterm birth, it is coherent to hypothesize a potential role for the oral microbiota for preterm birth risk. Further studies should be carried out to determine the changes of the oral microflora in pregnancy and to provide comprehensive knowledge of the diversity of oral bacteria involved in preterm birth.

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Preterm delivery and intimacy during pregnancy: interaction between oral, vaginal and intestinal microbiomes

Cited by 2 publications

References 9 publications

Intestinal Dysbiosis and Premature Delivery: Relationship Between Gestation, Type of Delivery and Maturation of the Neonatal Intestinal Flora

Intestinal Dysbiosis and Premature Delivery: Relationship Between Gestation, Type of Delivery and Maturation of the Neonatal Intestinal Flora

Oral Microbiome and Preterm Birth: Correlation or Coincidence? A Narrative Review

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