Related Experiment Video
Updated: Oct 30, 2025

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
Published on: June 24, 2020
Chorioamnionitis and neonatal outcomes
Viral G Jain1, Kent A Willis2, Alan Jobe3
1Division of Neonatology, Department of Pediatrics, The University of Alabama at Birmingham, Birmingham, AL, USA. viral_jain@live.com.
Abstract:
Chorioamnionitis or intrauterine inflammation is a frequent cause of preterm birth. Chorioamnionitis can affect almost every organ of the developing fetus. Multiple microbes have been implicated to cause chorioamnionitis, but "sterile" inflammation appears to be more common. Eradication of microorganisms has not been shown to prevent the morbidity and mortality associated with chorioamnionitis as inflammatory mediators account for continued fetal and maternal injury. Mounting evidence now supports the concept that the ensuing neonatal immune dysfunction reflects the effects of inflammation on immune programming during critical developmental windows, leading to chronic inflammatory disorders as well as vulnerability to infection after birth. A better understanding of microbiome alterations and inflammatory dysregulation may help develop better treatment strategies for infants born to mothers with chorioamnionitis.
Insights
Chorioamnionitis, or intrauterine inflammation, frequently causes preterm birth and affects fetal organ development. Inflammation, not just microbes, drives injury, leading to neonatal immune dysfunction and long-term health issues.
Area of Science:
- Reproductive biology
- Neonatal immunology
- Developmental pediatrics
Background:
- Chorioamnionitis (intrauterine inflammation) is a primary cause of preterm birth.
- It impacts multiple fetal organs and can lead to significant neonatal morbidity and mortality.
- Both microbial and "sterile" inflammatory processes contribute to chorioamnionitis.
Purpose of the Study:
- To explore the impact of chorioamnionitis on fetal development and neonatal immune programming.
- To highlight the role of inflammatory mediators beyond microbial presence in fetal injury.
- To emphasize the need for understanding microbiome alterations and inflammation in developing new treatments.
Main Methods:
- Review of existing literature on chorioamnionitis, preterm birth, and neonatal outcomes.
- Analysis of the mechanisms linking intrauterine inflammation to fetal organ development.
- Examination of the impact of inflammation on neonatal immune system development and long-term health.
Main Results:
- Chorioamnionitis affects nearly all fetal organs, contributing to preterm birth.
- Inflammatory mediators, not solely microbes, cause ongoing fetal and maternal injury.
- Neonatal immune dysfunction results from inflammation during critical developmental periods, increasing risks for chronic disorders and infections.
Conclusions:
- Inflammation in chorioamnionitis causes significant fetal injury and immune dysregulation.
- Understanding microbiome alterations and inflammatory pathways is crucial for improved infant outcomes.
- Targeting inflammatory processes may offer better therapeutic strategies for infants affected by maternal chorioamnionitis.
Related Concept Videos
Acute Pyelonephritis II: Diagnostic Studies and Management
Development of Immunocompetence
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Acute Pyelonephritis I: Introduction
Pneumonia III: Complications and Assessment
Sexually Transmitted Infections
Teratogenicity

