can you get a false negative after a positive pregnancy test?
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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.
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It's rare, but it does happen. A false-positive pregnancy test can be devastating—especially for women who have difficulty conceiving or who are actively trying to get pregnant. ... Thankfully, false-positive pregnancy tests are rare, but they can happen.
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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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Test Errors A false negative can also happen due to test error. If you wait too long to read the results, you may get a false negative. That said, false positives are more common with reading a test too late. Make sure you follow the directions of your particular pregnancy test.
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When you're having a cryptic pregnancy, nothing sets off the chain of events that leads to discovering that you're pregnant. A pregnancy test may come back negative even after you've missed your period.
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A positive result—even a faint line—on a pregnancy test means you're almost certainly pregnant. 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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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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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 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.
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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.
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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.
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Symptoms With a Negative Test Feeling pregnant doesn't mean you are, but a negative pregnancy test can be wrong. A pregnancy test may be negative if: You tested too early. There isn't enough pregnancy hormone hCG in your urine yet.
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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). This is the hormone your body produces during pregnancy.
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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. Read on to find out what a negative pregnancy test result means.
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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.
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It's not common but sometimes this effect leads to urine and blood tests giving the wrong result. This error might happen even after you've had one positive pregnancy test and test again a couple days later. No, you're not going crazy — and you're not necessarily miscarrying when this happens, either.
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A false positive can be the result of the fact that in many fertility treatments, hCG is given to “trigger” ovulation and may remain in the blood. A false negative might occur because a low level of hCG may be undetectable in a urine test despite a pregnancy starting.