is it possible to get a positive pregnancy test then a negative one?
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Sometimes a woman gets a positive test followed by a negative. This sometimes happens when one test is less sensitive than another. But if a positive test is followed by several negative tests, this could mean the woman is having a chemical pregnancy.
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A very rare cause of a false negative is if the hCG hormone in your body doesn't react with the anti-hCG chemicals in the pregnancy test. If this is the problem, you may need to wait a few more days before you can get a positive result. Or, you may need to have a blood test.
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A positive test result is almost certainly correct. A negative result is less reliable. If you get a negative result and still think you're pregnant, wait a few days and try again. Speak to your GP if you get a negative result after a second test but your period hasn't arrived.
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You might get your period a few days after a positive pregnancy test and assume you had a false-positive result. However, it could be that you were pregnant but miscarried very early on. “It's not that the test is wrong—it was completely accurate at picking up the hormone [hCG]," Dr.
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If your test appears negative but you still suspect you might be pregnant, then you should make an appointment with your GP as soon as possible for another test. False negatives may occur from time to time, but a positive pregnancy test is almost certainly correct.
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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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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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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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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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If you test too early, a test may not pick up enough hCG to turn positive. If you're testing before the day of your expected period, you may see a negative result – even if you're pregnant – if: Your test wasn't sensitive enough for early testing.
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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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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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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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Some women get a negative test, and then later test positive for pregnancy. If this happens, believe the positive test. That's because HCG levels take a while to rise, and the positive test may be because they're finally high enough for a test to register.
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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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It's possible to get a negative result from a home pregnancy test when you're actually pregnant.
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You can get a negative result on your pregnancy test for two reasons: You are not pregnant or you are pregnant, but you tested too early for the pregnancy test you used to pick up the hCG 'pregnancy' hormone in your body.