Related Experiment Video
Updated: Jun 18, 2026

Modeling Healthy and Dysbiotic Vaginal Microenvironments in a Human Vagina-on-a-Chip
Published on: February 16, 2024
Oral Microbiome and Adverse Pregnancy Outcomes
Brittany Dodson1, Talia Suner1, Emilie L Vander Haar1
1Department of Obstetrics & Gynecology, Division of Maternal Fetal Medicine, Weill Cornell Medicine, New York, New York, USA.
Intrauterine infections, often involving oral bacteria like Fusobacterium nucleatum, are linked to adverse pregnancy outcomes. Omega-3 fatty acids may help reduce inflammation caused by these infections.
Area of Science:
- Obstetrics and Gynecology
- Microbiology
- Immunology
Background:
- Intrauterine infection is a significant factor in adverse pregnancy outcomes such as preterm birth and stillbirth.
- Advances in culture-independent microbial detection have expanded understanding of intrauterine infections.
- Growing evidence implicates oral bacteria, particularly Fusobacterium nucleatum, in poor pregnancy results.
Purpose of the Study:
- To review oral bacteria identified in the intrauterine cavity.
- To discuss the dissemination routes and consequences of these bacteria.
- To explore the potential of omega-3 fatty acids in managing microbial-induced placental inflammation.
Main Methods:
- Literature review of studies on intrauterine infections and oral bacteria.
- Analysis of microbial detection technologies.
- Synthesis of evidence on bacterial dissemination and effects.
- Review of research on omega-3 fatty acids in placental inflammation.
Main Results:
- Oral bacteria are frequently detected in the intrauterine cavity.
- Fusobacterium nucleatum is a key implicated oral bacterium.
- Specific routes of bacterial dissemination to the uterus are identified.
- Microbial presence contributes to placental inflammation and adverse outcomes.
Conclusions:
- Oral bacteria play a critical role in intrauterine infections and adverse pregnancy outcomes.
- Understanding bacterial dissemination is crucial for prevention and treatment.
- Omega-3 fatty acids show promise in mitigating placental inflammation.
Related Concept Videos
Development of the Oral Microbiota
Development of Human Microbiota
Introduction to the Human Microbiota
Microbiota Modulation by Antibiotics
The Oral Microbiota
Dysbiosis of the Gut Microbiota
