Understanding Your Medical Test: What It Is, How It Is Performed, and Why It Matters
This test identifies and detects aerobic bacteria in embryos through culture testing, commonly used in assisted reproductive technology (ART) procedures.
{"This test screens embryos for bacterial contamination during IVF procedures","It helps ensure embryo health and improves implantation success rates","Results guide treatment decisions to prevent infection and improve pregnancy outcomes"}
Key facts at a glance
- LOINC
- 20694-6
- Short code
- EMBAERO
- Synonyms
- Bacteria Embryo Aerobe Cult
- Category
- chemistry
- Sample
- serum
- Container
- Sterile, leak-proof container without preservatives; sterile transport medium acceptable; specific anaerobic transport vial if anaerobes are also suspected
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- female
- Age range
- ≥ 0 years
- Method
- aerobic-culture
- CPT
- 87077
- SNOMED
- 44169005
- Specimen volume
- Entire embryo specimen or representative tissue sample in sterile transport medium; minimum 1 mL if fluid
- Stability
- Room temperature: 2 hours; Refrigerated (2-8°C): 24 hours; do not freeze
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
This test is a diagnostic procedure that helps your healthcare provider learn more about how your body is working. The results give your care team valuable information about your overall health and can help detect, confirm, or rule out medical conditions that may need further evaluation or treatment.
The Embryo Aerobic Bacterial Culture test is a laboratory procedure that detects and identifies aerobic bacteria present in embryos or embryo culture fluid. This test is commonly performed during in vitro fertilization (IVF) procedures to ensure that embryos are free from bacterial contamination that could affect their development or implantation success.
The test is performed by a trained healthcare professional, usually in a clinic, hospital, or laboratory setting. Depending on the type of test, a small sample of blood, urine, or other body material may be collected, or specialized equipment may be used to examine you. The procedure is typically quick, and your care team will explain each step and help keep you comfortable throughout.
During IVF treatment, a sample is collected from the embryo or its surrounding culture medium. This sample is then placed in a growth medium that supports the growth of aerobic bacteria. The culture is incubated and monitored over several days to allow any present bacteria to multiply. If bacteria grow, they are identified using various laboratory techniques.
This test is important because it provides your healthcare provider with accurate information needed to diagnose a condition, monitor an existing health problem, or guide treatment decisions. Timely and reliable results support earlier intervention, better management of your health, and improved long-term outcomes.
Bacterial contamination of embryos can negatively impact embryo quality, reduce implantation rates, and potentially cause complications in pregnancy. This test helps reproductive specialists identify and address bacterial issues before embryo transfer, ultimately improving the chances of a successful pregnancy.
Reference range
No aerobic bacteria isolatedN/A
Specimen should be collected aseptically using sterile technique. Patient should be informed of collection procedure. No fasting required.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
This test plays a crucial role in assisted reproductive medicine. A positive result indicating bacterial presence may necessitate antibiotic treatment, embryo disposal, or repeat egg retrieval. A negative result provides reassurance that embryos are suitable for transfer. The test helps reduce the risk of failed implantation, early pregnancy loss, and infectious complications. Additionally, identifying specific bacterial strains can guide targeted antibiotic therapy for future treatment cycles.
Frequently asked questions
Does this test hurt?
How long does it take to get results?
What happens if bacteria are found in my embryo?
Can I still get pregnant if bacteria are found?
Is this test required for all IVF patients?
Sources
- 1
- 2
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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