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Rubella susceptibility is the lack of immunity to rubella virus, leaving a person vulnerable to infection. It is caused by absence of protective IgG antibodies due to lack of vaccination or previous natural infection. The Rubella Immune Status blood test is the most important test for determining immunity and identifying susceptibility.
Rubella susceptibility is caused by the absence of protective IgG antibodies against the rubella virus in your bloodstream. This happens when you have never been vaccinated with the MMR (measles, mumps, rubella) vaccine or have not been naturally infected with rubella in the past. Without these antibodies, your immune system cannot recognize or fight off the rubella virus if you are exposed to it, leaving you vulnerable to infection and its complications.
The Rubella Immune Status blood test is the most important test for determining rubella susceptibility because it measures the presence and concentration of rubella-specific IgG antibodies in your blood. This test definitively shows whether you have protective immunity or are susceptible to infection. If the test detects adequate antibody levels, you are immune. If antibodies are absent or below protective levels, you are susceptible and should discuss vaccination with your healthcare provider, especially if you are planning pregnancy or are of childbearing age.
You should get tested if you are a woman planning to become pregnant, already pregnant without documented immunity, working in healthcare or childcare settings, or unsure of your vaccination history. Testing is especially important before conception because rubella infection during pregnancy can cause serious birth defects including heart problems, hearing loss, and developmental delays in the baby. You should also consider testing if you were born outside the United States where MMR vaccination may not have been routine.
What this means
Your testosterone levels are slightly below the optimal range. While this is not necessarily cause for concern, it may contribute to occasional fatigue, reduced motivation, or lower muscle mass over time.
Recommended actions
Increase resistance or strength training
Prioritize 7–8 hours of quality sleep per night, try to reduce stress
Include more zinc- and magnesium-rich foods (like shellfish, beef, pumpkin seeds, spinach)
Consider retesting in 3–6 months
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Sample results
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