21/06/2026
ENDOMETRIOSIS Caused by Fusobacterium.
The Genetic & Epigenetic pathways are being illuminated
Yes, Fusobacterium (most notably Fusobacterium nucleatum) is generally considered a normal commensal (part of the natural flora) of the human oral cavity, gastrointestinal tract, and female ge***al tract.
However, it acts as an opportunistic pathogen. While it lives harmoniously in healthy individuals, it can become invasive and contribute to disease when the immune system is weakened, the microbiome is disrupted, or it travels to other parts of the body.
Key points on how it transitions between roles include:
• Oral Cavity: It serves as a "bridge" in dental plaque, helping both beneficial and harmful bacteria stick together. In this role, it is normal but can contribute to periodontal disease (gum disease).
• Gut Health: It is a normal inhabitant of the intestines but has been increasingly identified as an "oncomicrobe", meaning overgrowths are heavily associated with colorectal cancer and inflammatory bowel diseases.
• Systemic Infections: If it enters the bloodstream, it can cause severe infections, such as Lemierre's syndrome (a dangerous infection of the neck veins) or adverse pregnancy outcomes.
There is no proven theory that viruses cause fibroids or endometriosis, but recent science links specific bacteria (specifically Fusobacterium) to endometriosis. Fibroids remain predominantly driven by genetics and hormones, though some hypotheses explore broader pathogen-related inflammation.
Endometriosis and Pathogens (Bacteria)
While endometriosis was traditionally viewed as a purely hormone-driven condition, the emerging "bacterial contamination hypothesis" suggests that bacteria play a vital role in its development.
• The Fusobacterium Link: Groundbreaking studies found the Fusobacterium bacterium (common in the mouth and gut) in the uterine lining of a significant percentage of women with endometriosis.
• Mechanism: This bacterial infection can trigger local inflammation and alter normal cells, enabling endometrial tissue to implant and grow outside the uterus. In animal models, targeted antibiotic treatment successfully reduced lesion growth.
• Status: While highly promising, medical experts do not consider this a confirmed, universal cause, and larger human trials are ongoing to prove absolute efficacy.
Uterine Fibroids and Pathogens
There is no established scientific theory that pathogens or viral agents cause fibroids.
• Accepted Causes: The current consensus is that fibroids arise from a combination of genetic alterations, reproductive factors, and stimulation by the hormones estrogen and progesterone.
• Pathogen Theories: While uterine infections (endometritis) can occasionally lead to secondary fibroid degeneration or inflammation, pathogens are viewed as a complication of the fibroid environment rather than the root cause.
If you want to explore this further, let me know if you are asking about:The differences in current medical treatments for both conditions.How to distinguish symptoms of viral or bacterial endometritis from endometriosis.Details on the diagnostic tests used to identify pathogens in the uterus.
The genetic-epigenetic theory postulates that endometriosis is triggered by a cumulative set of genetic-epigenetic (GE) incidents. Pelvic and upper ge***al tract infection might induce GE incidents and thus play a role in the pathogenesis of ...
