do you get a false positive pregnancy test?
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In very rare cases, you can have a false-positive result. This means you're not pregnant but the test says you are. You could have a false-positive result if you have blood or protein in your pee. Certain drugs, such as tranquilizers, anticonvulsants, hypnotics, and fertility drugs, could cause false-positive results.
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A pregnancy test kit is rarely wrong. It is more than 99 per cent accurate. Thus, if your test is negative, it means that you are not pregnant; However, if you are very early in your pregnancy and the test is done far too early, there could be an insufficient amount of urine hCG for the test to detect.
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This is known as a false-positive. A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG.
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Accuracy. As with urine/home pregnancy tests, it is possible to end up with false results (both negative and positive) from a blood pregnancy test.
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Because hCG is usually only present in your body when you're pregnant, false positive results are incredibly rare. If you use a reliable pregnancy test, like Clearblue, you can be over 99% certain you're pregnant if you see a positive result.
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In fact false negatives – where the pregnancy test says you're not pregnant but you actually are – are more common than false positives. However, it's also important to say that this shouldn't give you false hope. A negative pregnancy test is still most likely to mean you're not pregnant.
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Getting a false-negative pregnancy test because of the hook effect is rare. False-negative test results can happen for many reasons. One older study that tested 27 different kinds of at-home pregnancy tests found that they gave false negatives almost 48 percent of the time. That's huge!
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False Negative Pregnancy Tests In fact, it is possible to have a negative result on a pregnancy test and actually be pregnant. Here is how it works: The goal of a urine pregnancy test is to test the urine for a hormone called hCG (Human Chorionic Gonadotropin).
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Chemical pregnancy It's possible to have a positive pregnancy test even if you aren't technically pregnant. This is called a false positive. It's sometimes caused by a chemical pregnancy. A chemical pregnancy occurs if a fertilized egg, known as the embryo, is unable to implant, or grow, very early on.
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Share on Pinterest After an abortion or miscarriage, a home pregnancy test may produce a false-positive result, since the levels of hCG in the body may still be relatively high. Taking a home urine pregnancy test, following an abortion or miscarriage, can be another reason for a false-positive result.
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If you are not pregnant, a false positive pregnancy test result is unlikely. The more likely explanation is that you had a chemical pregnancy (which produces enough hCG to turn a pregnancy test positive but miscarries shortly after) or a very early miscarriage.
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False negative pregnancy tests are much more common than false positives. While a urinary tract infection (UTI) is unlikely to cause a false negative it could do so, at least in theory. If you have a UTI, see a doctor and then retake the test a few days later.
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Sometimes you can get a false negative on your pregnancy test – meaning you're pregnant, but the test says otherwise. On the flipside, you can miss your period, but you're not pregnant.
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Although many home pregnancy tests claim 99 percent accuracy, they are not perfect. A false-positive result is one where the test indicates that the user is pregnant when she is not.
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False positives are rare. If you take a test and it's negative and then take another test a few days apart and it's positive, it's possible you are pregnant and just didn't have enough hormones in your urine when tested earlier.
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Although rare, it's possible to get a positive result from a home pregnancy test when you're not actually pregnant. This is known as a false-positive.
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It's possible to get a negative result from a home pregnancy test when you're actually pregnant.