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There are several things that can contribute to a negative pregnancy test even if you are pregnant. Some medications can give you a false negative, the timing of the test can affect the results. If you did not follow directions properly; if you let the test sit for too long the results may read negative after a while. It is important to read the results within the amount of time given on the instructions of that particular pregnancy test you bought. To ensure the best results: * Take the test in the morning, if possible, because your hCG (pregnancy hormone) levels are at it's highest * Don't drink a bunch of fluids before taking the test because it will dilute your urine and can affect the results * Take the test no more than 1-2 days before expected period. Although some test say that you can see results up to 5 days before your missed period, the percentage of accuracy is very low. * urinate for as long as possible on the foam-like strip * wait for the results! For a false positive, which is very rare, can be either, you took the test during menstruation and blood came in contact with the test strip or you experienced a chemical pregnancy.

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Q: How often are pregnancy tests wrong?
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Related questions

You have had 3 positive blood pregnancy tests and one negative home pregnancy test which was taken after the first positive blood test was reported what does this mean?

It means that either the blood tests were wrong or the home pregnancy test was wrong


What could be wrong if my friend has missed her period (6 months late) and has signs of pregnancy but all tests are negative?

All home pregnancy tests*


How likely is it that a pregnancy test is wrong showing symptoms no period negative test?

Most pregnancy tests are 99%


Can several pregnancy tests be wrong if taken before your period is due?

Yes


What could be wrong if you have a jumpy twitchy stomach but several pregnancy tests have been negative?

wind


You took a home pregnancy test and it sade you are pregnant are you?

Most likely. Home pregnancy tests are rarely wrong, but it is possible for it to be wrong. You need to see your doctor, but if for any reason you can't, take two home tests one after the other. If they are both positive... that is your answer.


If the pregnancy tests keep being wrong can that be bad for the baby?

Yes it can be bad if the Dr. can't see you are pregnancy so. I think the Dr. can an need to do a ultsound on the who is pregnancy.


Your girlfriend complained about being wet often and shes felt tired always but the test was negative is that normal?

Home pregnancy tests often say negative even when the person is pregnant. Tests at the doctor's office don't lie especially if she has taken a blood test. She may be sick, so have the doctor find out what is wrong with her. Get a second opinion if she is not pregnant and the doctor says nothing is wrong with her.


If I had 4 positive urine pregnancy tests and I went to the doctor and he couldn't find anything in the sonogram he administered so he had me do a blood test could 4 home pregnancy tests be wrong?

yes the home pregnancy test is wrong because accuracy wise the blood test for pregnancy which more clinics and hospitals use is more accurate than urine test for pregnancy which is the one frequently used in home pregnancy test or the quick kit test for pregnancy.


Can a pregnancy test result be wrong?

It's possible that it can be wrong, if you look on the box it usually says 99.9% accurate. That's not 100% so there is a chance it could be wrong, but the chances of it being wrong are very rare.


If you have had two positive pregnancy tests are they accurate?

There is a high probability that you are. I have never had a wrong one even after 4 now


What could be wrong if you haven't had a period in three months but all pregnancy tests are negative tests?

there could be many health related issues with that you should contact your doctor.