can you get a false positive on a 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 test will only show a false positive if you have hCG in your system for another reason such as you were recently pregnant, are taking fertility medications containing hCG, or if you have a medical condition, like some rare ovarian cysts.
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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.
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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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While false negatives are very common, a false positive – where a pregnancy test tells you you're pregnant when you aren't – is extremely rare. That's because there are very few circumstances when your body would produce hCG without being pregnant.
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This is why a positive pregnancy test result will mean you are almost certainly pregnant. However, in rare instances, you can get a false positive from: a recent pregnancy (e.g. after miscarriage, recent birth or termination) some rare ovarian cysts.
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Some of the reasons of how can you get a false positive pregnancy test are common for urine or blood tests. Specifically, certain medications (as mentioned above), tumors, ovarian cancer, blood or protein in the urine and a multiple pregnancies cause the presence of high hCG levels in a woman.
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False Negative Pregnancy Tests However, this is not always the case. False negative pregnancy tests do occur. In fact, it is possible to have a negative result on a pregnancy test and actually be pregnant.
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Could a negative result be wrong? It's possible to get a negative result from a home pregnancy test when you're actually pregnant. This is known as a false-negative.
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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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"Some women can get a positive pregnancy test and then three days after their period is due, they have a really heavy period," says Lanalee Araba Sam, M.D., an ob-gyn in Fort Lauderdale. "Really what they've had is an early miscarriage called a chemical pregnancy, and a lot of people call that a false positive.
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Can a faint line ever mean I'm not pregnant? It's very unlikely but is possible. 'False positives' generally only happen if you've done the test wrong, have used a test that's past its expiry date, are 'reading' the result long after the wait time outlined on the packet or are taking certain medications.
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False Negative When You're Pregnant It's OK to occasionally have an off cycle. You can't get a positive pregnancy test until a certain set number of days has passed since ovulation (which is the time of conception). If ovulation came later this month, you will need to test later.
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False positive results are incredibly rare, and only happen if you have recently been pregnant, you're on fertility medications containing hCG, or you have a rare medical condition that causes hCG to be present.
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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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As what happened with New_here above, a pregnancy may initially be detected by an early pregnancy test, which will give you a positive result. But then, when you test again at a later time, you get a negative result.
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Can a pregnancy test come up negative if I didn't pee enough? A false negative on a home pregnancy test is possible, but extremely unlikely. As long as your urine got on the test's absorbent strip, it should be accurate. You can always take another test if you're worried you might have missed.