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Doctor insights on: How Likely Is It To Get A False Positive Pregnancy Test

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How likely is it to get a false negative pregnacy test?

How likely is it to get a false negative pregnacy test?

Not very likely.: Currently available urine pregnancy tests are accurate over 98% of the time when the HCG is over 25 (but 10 to 14 days after conception). If the test is negative you are not pregnant or you are less than 10 days along. ...Read more

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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Is it possible to get a false positive on a pregnancy test?

Is it possible to get a false positive on a pregnancy test?

Yes: Remember that it's uncommon but that it can happen. In fact, men with testicular tumors often have a positive pregnancy test. As always, it's the big picture. ...Read more

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How common is it to get a false negative on a pregnancy test?

How common is it to get a false negative on a pregnancy test?

Depends: Almost all comercial preg tests report efficacy close to 99%. Trick is however, that depends on when they are done. There is a higher false negative rate if performed before the time os the missed cycle. Most-if not all- pregnancy tests should be positive by one week after a missed cycle. Always check the boxes. They state their "sensivitiy" level. ...Read more

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Is it possible to get false negatives on a pregnancy test?

DEFINITELY: False negatives are possible. If it is too early for implantation of maybe even if it is an ectopic pregnancy. The false positives are the ones that are rare! ...Read more

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Is it possible to get a false negative after a confirmed positive pregnancy test?

Is it possible to get a false negative after a confirmed positive pregnancy test?

Technique: If you do not do the test correctly, it may turn out negative and by definition would be false negative. ...Read more

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If you move a pregnancy test while it is testing can it give you a false positive?

If you move a pregnancy test while it is testing can it give you a false positive?

Unlikely.: But possible. False positives are rare. If there is any question, repeat the test. If the repeat is positive you are pregnant. ...Read more

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Is it possible for you to still get a positive pregnancy test result after a miscarriage?

Is it possible for you to still get a positive pregnancy test result after a miscarriage?

Yes: It may take several days or even longer for the pregnancy hormone to leave your body after a miscarriage, depending on how far along you were. ...Read more

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Is it possible to have a false positive on a pregnancy test? If so what causes it

Is it possible to have a false positive on a pregnancy test? If so what causes it

Yes: There are some molecules in the body that can mimic a pregnancy hormone molecule and create a false positive. This typically happens on a blood pregnancy test, not on the urine. Hope that helps. ...Read more

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What can cause a false positive pregnancy test? Is it possible to not be far enough along for a blood test to detect pregnancy?

What can cause a false positive pregnancy test? Is it possible to not be far enough along for a blood test to detect pregnancy?

Tumor and yes: Early menopause may raise serum betahcg levels enough to give a false positive, some tumors and molar pregnancy produce beta HCG and will give a positive test. Yes, you may be too early in pregnancy to have a positive blood test. If you think you are pregnant, you may wish to repeat the tests in a week. ...Read more

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Is it possible to get a false negative on a flu test?

Is it possible to get a false negative on a flu test?

Yes: Depends on the test done but all tests for influenza can have false negative and false positive results. Some are more accurate than others. ...Read more

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Is it possible for you to have a positive ovulation test result and not ovulate?

Is it possible for you to have a positive ovulation test result and not ovulate?

Yes : The ovulation kit only measures a threshold of the hormone lh. Some women constantly have a lh above this level. Therefore they would seem to have a positive surge when in fact the lh level is high. Because this is a urine test the concentration will also change with the dilution of the urine. ...Read more

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Is it likely to get a positive blood test for pregnancy at 8 dpo?

Is it likely to get a positive blood test for pregnancy at 8 dpo?

Patience.: A blood test isn't needed. There's no need to rush. A urine pregnancy test done correctly gives a reliable result 3 weeks after sex or 1 week after missing a period. If done sooner, a positive result is likely real, but a negative result may be due to testing too soon, and therefore lead to a repeat test. If a woman has her normal regular period, then she is not pregnant, and a test is not needed. ...Read more

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Is it possible to get a negative blood pregnancy test if you're actually pregnant?

Yes, but not likely: For the first week after fertilization and for about 2 days after implantation, it is likely there will not be any measurable change in hcg, the hormone triggered by implantation. That time frame is shorter than the time it usually takes for anyone to suspect they are pregnant and have a blood test. The urine, hct, test often is not positive until days after the blood test is positive. ...Read more

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Is it in any way possible to get a false negative on a blood peegnancy test?

Is it in any way possible to get a false negative on a blood peegnancy test?

No, not Realy: Some of your symptoms sound like pregnancy. Perhaps the next test will be different. You may become pregnant after the first test if you are sexually active. See a physician for an examination to be sure. Backache is not usual in early pregnancy but can be seen in urinary infections. ...Read more

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Is it possible to have a positive pregnancy test before implantation?

Is it possible to have a positive pregnancy test before implantation?

definitely not: If implantation happens, it is always 6-7 after fertilization; a pregnancy test will not be positive until a few days later. ...Read more

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Can you tell me how is it possible for a woman to have false positive pee pregnancy tests?

Can you tell me how is it possible for a woman to have false positive pee pregnancy tests?

Evaporation line: could be a cause. Allowing the test to sit for a long period before reading it (must be read at the specified time). ...Read more

Dr. Stephen Sudler
482 doctors shared insights

Pregnancy Test (Definition)

A pregnancy test measures a hormone called human chorionic gonadotropin (HCG). HCG is a hormone produced during pregnancy. It appears in the blood and urine of pregnant women as early as ...Read more