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Doctor insights on: What Would A False Negative And A False Positive Mean On An Std Screen Test

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What would a false negative and a false positive mean on an STD screen test?

What would a false negative and a false positive mean on an STD screen test?

See below: False negative & false positive results are testing errors (meaning the test results were wrong). In this case... A "false negative" result means that despite the test being negative, the person actually does have the infection. A "false positive" result means that a positive test result occurred in someone who really did not have the infection. ...Read more

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Dr. Robert Killian
788 doctors shared insights

Std (Definition)

This is a disease which can be transmitted from one person to another person through sexually related activities. This does not limit these activities to heterosexual intercourse, but encompasses all modalities of human-to-human sexual activity. It does not include illnesses that may make an individual more susceptible to a condition because of a sexual ...Read more


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Chances of having a false positive herpes type 1 blood test?9.1 igg.While other STDs remain negative 0.0 igg.Had my test 2 weeks later after exposure.

Chances of having a false positive herpes type 1 blood test?9.1 igg.While other STDs remain negative 0.0 igg.Had my test 2 weeks later after exposure.

Prob. True Positive: Herpes type 1 is the herpes virus commonly associated with the mouth (cold sores). It can be positive without any other tests being positive. Many people are + for hsv 1 by the time they enter school, picking up the virus from family members. Hsv symptoms may take 2-14 days after exposure to show up and longer for a positive test. You may need to be retested to be sure. ...Read more

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Uti medicine can cause false positive STD test?

Uti medicine can cause false positive STD test?

No: If you had testing for an std (i will assume that you mean from a culture of your cervix) then you should absolutely assume that it is a positive result. It needs to be treated and you need to go back in in 1-2 weeks for a "test of cure". ...Read more

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I'm curious to know what are the chances of receiving a false positive on a blood test for herpes or any std?

I'm curious to know what are the chances of receiving a false positive on a blood test for herpes or any std?

Let me explain: No diagnostic test is perfect, but the test of std diseases are very good, rarely you get either false poivtive or flase negative. It depends not only on the test but on the population it is used in. ...Read more

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Does HSV 1 IgM screen negative and HSV 2 IgM screen negative does that mean I have a std?

Does HSV 1 IgM screen negative and HSV 2 IgM screen negative does that mean I have a std?

No acute infection: It means there is no acute infection with hsv 1&2 virus.But does not mean you have std. ...Read more

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My girlfriend has pcos and she has been tested positive for an std. Is it possible that the issue associated with pcos cause a false positive result?

My girlfriend has pcos and she has been tested positive for an std.  Is it possible that the issue associated with pcos cause a false positive result?

Highly unlikely,,,: This is highly unlikely. Pcos (polycystic ovary syndrome) is a condition where the ovaries develop cysts because the follicles containing the egg rupture less often and so ovulation doesn't happen normally. This has practically no relation to an std which is due to contact with an infected individual. Pcos can cause high hormone levels but an std tests for se kind of infection. Best of luck. ...Read more

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My boyfriend recently got an STD screening test at planned parenthood (blood and urine). All results can back negative. Can i trust this?

My boyfriend recently got an STD screening test at planned parenthood (blood and urine). All results can back negative. Can i trust this?

Yes, to the Clinic: Some planned parenthood centers do std testing on men, as well as, women. If you have seen the results, they are as accurate as any clinic at the time of testing. It does not guarantee that he has not picked up something since then. However, it sounds like you do not trust him, in which case, i would not use the test results to decide about having sex. ...Read more

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My boyfriend got a STD screening test at a planned parenthood. Do these tests cover all std's? He gave them urine and blood and came back negative.

My boyfriend got a STD screening test at a planned parenthood. Do these tests cover all std's? He gave them urine and blood and came back negative.

STD Testing: Nope. Absolutely not. There are twelve common stds. You must know which tests were done and which tests were not done. Assuming that all stds are tested is unwise. If you are sexual you have the responsibility as does your boyfriend to know the names of all of these and how they are prevented. ...Read more

Dr. Lynne Weixel
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Screening (Definition)

Examples are: colonoscopy for colon polyp or cancer; mammograms for breast lesions or cancer; psa a blood test that could indicate enlargement of cancerous prostate tissue; blood sugar or hemoglobin a!c for diabetes. Many think that scanning the whole body will pick up a cancer--in all likelihood, it will not. There also is no good blood test, yet, ...Read more


Dr. Heidi Fowler
1,357 doctors shared insights

Sexually Transmitted Infections (Definition)

Sexually transmitted infections are bacterial or viral infections that are transmitted through anal, vaginal, ...Read more