MTB DNA PCR (MENSTRUAL BLOOD)
Also Known As
Test Parameters Included
- Mycobacterium tuberculosis DNA (MTB) sequences detected by real-time PCR (qualitative)
- Pathologist Molecular Microbiology Remark - interpreted in clinical context of genital tuberculosis
Department
Methodology
Sample Required
Preparation
Schedule Report
24 hours
Emergency Report
Yes
Frequently Asked Questions
What does MTB DNA PCR on menstrual blood detect?
It detects Mycobacterium tuberculosis genetic material (DNA) in menstrual blood, helping identify genital tuberculosis that may not be visible on routine examination.
Why is menstrual blood used for TB testing?
Menstrual blood carries endometrial tissue and exfoliated cells from the uterine lining. Genital TB commonly affects the endometrium and fallopian tubes, making this a non-invasive sample source for molecular detection.
What do positive or negative results mean?
A positive result indicates MTB DNA presence, suggesting genital tuberculosis infection. A negative result reduces likelihood but does not completely exclude TB, as bacterial load may be below detection threshold.
Is this test useful for infertility evaluation?
Yes, genital tuberculosis is a known cause of tubal and endometrial factor infertility. This test can help identify TB as an underlying cause in women undergoing infertility workup.
What is the turnaround time for this test?
Results are typically available within 24–48 hours from sample receipt at Dr. Patho Labs & Diagnostics.
Do I need to fast before this test?
No fasting is required. The test is performed on collected menstrual blood sample without any dietary preparation.
Test Description
Test Code
M39
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