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Did you just have one test for STDs? You would need to have at least two tests, three months apart to be sure. Some STDs take some time to develop.
You are not at risk from having an STD that you were tested for from the person you had sex with four years ago. Talk with your doctor and make sure you were throughly tested (some tests, like that for herpes, are not routinely performed in all STD exams). However, tests that are negative now will not later become positive unless you are exposed again.
As long as you were tested more than three months after the contact there is no need to retest. Retesting as the previous answer describes is only done when there is a chance that you may seroconvert after you were tested (seroconvert means to go from negative to positive because there is now enough of what the test looks for in your body to be detected where there wasn't enough initially). That can only happen if you were tested very close to the time you last had sex with someone who might have been infected.
You may wish to be retested if you suspect the test may have been wrong (it is called a false positive and though not common, they can happen), if you presently have symptoms or if you may have been exposed again.
What else can I help you with?
Why does pseudomonas give negative reactions on all the fermentations?
Pseudomonas bacteria typically give negative reactions in fermentation tests because they are mostly aerobic bacteria and do not ferment carbohydrates like other bacteria. Instead, they carry out oxidative metabolism using organic compounds as their energy source. As a result, they do not produce the byproducts associated with fermentation reactions, leading to negative results in fermentation tests.
What are the Biochemical tests for identification of Ecoli?
EMB (Eosin Methylene Blue) AgarThis agar plate is selective for gram-negative bacteria (one of which is E. coli). A characteristic green sheen along the streak will identify it as E. coli after a 24-48 hour incubation period. This is due to its lactose-fermenting properties which ellicits a green sheen.
What bacteria is indole negative urea positive methyl red positive hydrogen sulfide positive and lactose negative?
Proteus vulgaris is a bacterium that fits this description. It is indole negative, urea positive, methyl red positive, hydrogen sulfide positive, and lactose negative. These characteristics are used in biochemical tests to help classify and identify different bacteria species.
What state you can't get married in with an STD?
There is no state in the U.S. that prohibits individuals with a sexually transmitted disease (STD) from getting married. However, it is important to disclose your STD status to your partner and practice safe sex to prevent transmission.
What are gram negative diplocci?
Gram negative diplocci is the name given to describe the structure and shape of the bacteria, Neisseria gonorrhoeae (the infective organism of the STD gonorrhea) as it is seen on the microscope using a technique call gram staining.
If i was pregnant and got tested 4 all stds and it was negative and i had my baby and i didnt ahave sex for a year and one day i did is it possible for me to give someone chlymdia?
No, since the std tests came back negative that means you don't have an std. The only way you may give someone chlamydia is if the person you had sex with after your baby is born.
What would be the problem with me if Ive taken two std test and they came up negative both times but on top of my penis head and also underneath the shaft still aches?
the tests failed?
Are you going to pass your math test?
I always pass the tests that I take, even the pregnancy and STD tests (joking).
What can cause white discharge if STD tests are negative?
It could be a yeast infection. You should consult your doctor for proper diagnosis and treatment.
What happens if Coombs' tests are negative?
If the Coombs' tests are negative, the anemia is unlikely to be autoimmune, and the hematologist will have to search elsewhere for a cause
How do you do STD test on man?
Your physician will advise the tests for you. The pathologist will take your blood and urine for the testing.
If you have done 6 pregnancy tests and they are negative is this conclusive?
Yes as they are negative you can conclude, the test is negative and nothing to worry.
What does a doctor mean by negative O'brien and a negative Hawkins?
She means that tests for a labral tear and shoulder impingement were negative.
Does serratia test negative for citrate?
Yes, Serratia marcescens typically tests negative for citrate utilization in citrate utilization tests. This bacterium lacks the enzyme citrate-permease needed to import citrate into the cell, resulting in a negative citrate test.
You have been having pregnancy symptoms- but your PT tests are negative-Could you still be pregnant?
Yes it is called a positive negative and the tests are only 99.998 precent correct
Why don't pregnancy tests work on me even when i actually was pregnant it came out negative.?
Pregenency tests are not always accurate. The best way to find out is by seeing a doctor, or a proffesional. If you suspect anything, see your doctor even if your tests come out negative.
Can you still be pregnant if 3 pregnancy tests have all been negative?
i know i took two tests and i was pregnant
