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Vaginal and Oral Microbiome Profile via DNA Sequencing (16S rRNA Gene Analysis)

Published: August 9, 2026Updated: August 16, 2026

This test analyzes DNA from samples collected from your vagina and mouth to identify the types and amounts of bacteria present. It helps assess the balance of microbes in these areas, which can influence health and potential infections.

Quick summary

["Understanding your body’s natural bacteria balance can help prevent infections and support overall health."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
112401-5
Short code
T vaginalis DNA Mouth Ql NAA+probe
Synonyms
T vaginalis DNA Mouth Ql NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why This Test Is Done

Your healthcare provider may recommend this test if you have symptoms like unusual vaginal discharge, itching, or mouth sores, or if you’re at higher risk for infections like bacterial vaginosis or oral thrush. It can also be part of routine monitoring for certain conditions or after treatments that affect your microbiome.

How the Test Works

A swab is used to collect samples from your vagina and mouth. The DNA from these bacteria is then extracted and analyzed using genetic sequencing to identify specific bacterial species. This helps determine the diversity and composition of your microbiome.

Sample Collection and Preparation

You’ll likely be asked to collect samples during a visit to your healthcare provider. The swabs are gentle and non-invasive. The lab processes the samples to isolate and analyze bacterial DNA, which takes several days to complete.

What the Results Mean

Results show the presence and relative amounts of different bacteria. A healthy microbiome typically has a balanced mix of beneficial bacteria. Abnormal patterns may indicate an imbalance (dysbiosis) that could contribute to infections or other health issues.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test can help diagnose infections like bacterial vaginosis, oral candidiasis, or other microbiome-related conditions. It may also guide treatment decisions, such as probiotics or targeted antibiotics, by identifying which bacteria are present and their roles in your health. Some conditions may not have symptoms but can still affect well-being.

Short name

Microbiome Test

Frequently asked questions

How long does it take to get my results?
Results are typically available within 5 to 14 business days, depending on lab processing times and sequencing delays.
What does it mean if my test shows an imbalance in my vaginal or oral bacteria?
An imbalance (dysbiosis) in your microbiome may increase your risk of infections, such as vaginal infections or oral thrush. Your healthcare provider may recommend treatments like probiotics, antifungal medications, or antibiotics tailored to the specific bacteria identified.
Can I take anything special before my test?
No special preparations are needed. Avoid using vaginal creams, douches, or oral medications (like antibiotics) for 24–48 hours before the test if possible, as they may affect the results.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy