can you have retained products with a negative pregnancy test?
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Retained products of conception: persistent pain or bleeding post miscarriage. HCG may also be negative if products are necrotic so test of choice is ultrasound. If ultrasound is inconclusive, serial HCG that increases or plateaus suggest retained products, ectopic, GTN, or ongoing 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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Can a pregnancy test change overnight? The answer is yes. Not only can you get a negative pregnancy test result followed by a positive, but you can also get a positive test result and then a negative. ... "In a chemical pregnancy, the hormones of pregnancy are very low and the pregnancy doesn't develop.
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Ironically, unusually high levels of hCG can cause the test to give a false negative result. 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.
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False-negative results If an hCG test comes back negative, that generally means you're not pregnant. However, if the test was performed too early in the pregnancy, before your body has had time to produce enough hCG, you can get a false negative.
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An expired pregnancy test could give you an accurate result, but experts agree that you shouldn't take a chance. In general, pregnancy tests that are past their expiration date are more likely to give you a false negative or a false positive reading. So it's not a good idea to use them.
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If the test is still negative, you are probably not pregnant. There may be another reason you are missing your periods. If you keep having negative pregnancy tests and your period is 6 to 8 weeks late, tell your healthcare provider.
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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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A third reason for a false negative result on a pregnancy test is diluted urine. If you drink a lot of water, it will dilute the hCG in your urine, and could cause you to get a false negative.
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Another common reason for getting a false negative is not having enough hCG in the urine you test. Early on in pregnancy, you can dilute the hormone concentration in your urine if you drink a lot of water before testing. This is more likely to happen in very early pregnancy when you take the test later in the day.
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You might get a false-negative pregnancy test for other reasons. Some at-home pregnancy tests aren't as sensitive to hCG as others. Or you may take a test too early. It takes time for the hCG hormone to appear in your urine.
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Why did I get a negative test result? 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.
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If the test is negative, or you continue to get a mix of positive and negative pregnancy tests, it could mean you are having a miscarriage or that your HCG levels are very low.
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Even if you did miss your period but it hasn't been at least a couple of weeks since you conceived, you could still get a “false negative.” That's because you need a certain level of a hormone called HCG (human chorionic gonadotropin) in your urine for the test to work.
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Some women get a negative test, and then later test positive for pregnancy. If this happens, believe the positive test. ... If the test is negative, or you continue to get a mix of positive and negative pregnancy tests, it could mean you are having a miscarriage or that your HCG levels are very low. Call your doctor.
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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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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.