can a pregnancy test have a false positive?
1607
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.
938587
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.
237135
False positive pregnancy tests are very rare. Most women will never have one. In fact, false positives are so rare that if a woman does have a positive test and later has a negative test, she should assume she had a very early miscarriage. If you test positive, try testing again a day later.
1355622
They're not foolproof, however. It is possible to get a positive result when you're not actually pregnant, which is called a false-positive. If you've been looking forward to a positive pregnancy test result, a false-positive is disappointing. The good news is they're rare.
480894
A false-positive result indicates a pregnancy even though there isn't one. Rarely, the test may detect abnormal, non-pregnancy tissue, which requires follow-up by a doctor. These results are rare because usually only pregnant women produce the hCG hormone.
999835
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.
29159
Rarely, certain medical conditions can cause a home pregnancy test to give a false positive. These include: urinary tract infection. kidney disease that causes blood or white blood cells in the urine.
918994
Yes, wrong pregnancy test results can and do happen. In fact false negatives – where the pregnancy test says you're not pregnant but you actually are – are more common than false positives.
214691
False negative tests are common. In fact, many women get false negative tests before they get a positive. This is because the body's HCG levels have not yet risen sufficiently high to indicate that a woman is pregnant. In many cases, a woman will later get a positive test if she just waits a few days.
1339746
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. Something that can give you a false negative is taking the test too early.
1463211
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!
1098865
As with urine/home pregnancy tests, it is possible to end up with false results (both negative and positive) from a blood pregnancy test. ... So, your negative result is because there may not be enough hCG in the blood to detect a pregnancy.
750204
A positive pregnancy test result will mean you are almost certainly pregnant. Getting a true false positive – when you were never pregnant in the first place – is incredibly rare. ... If you are testing before the date of your expected period, you may be pregnant but your hCG levels are too low for the test to detect.
1139332
Chemical pregnancy The most common explanation for a "false positive" is that you really were pregnant when you took the test. "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.
1461156
False negative pregnancy test – how common is it? Yes, wrong pregnancy test results can and do happen. 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.
280502
Pregnancy test: A corpus luteum cyst can cause a false positive on a pregnancy test.
43872
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.