are lab urine pregnancy tests more accurate?
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When used correctly, home pregnancy tests are 97–99 percent accurate. A pregnancy blood test is done in a health care provider's office. It can find smaller amounts of HCG, and can confirm or rule out a pregnancy earlier than a urine test. A blood test can detect pregnancy even before you've missed a period.
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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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The pregnancy tests you get at the drugstore work 99 out of 100 times. They're just as accurate as a urine pregnancy test that you'd get at a doctor's office. Pregnancy tests work by checking your urine (pee) for a hormone called human chorionic gonadotropin (HCG). Your body only makes this hormone if you're pregnant.
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How accurate is the test? FIRST RESPONSE™ is >99% accurate from the day of the expected period in laboratory studies. However, some pregnant women may not have detectable amounts of pregnancy hormone in their urine on the day of the test or may have miscalculated the first day of their period.
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Although pregnancy tests often are performed before initiating contraception, the accuracy of qualitative urine pregnancy tests varies depending on the timing of the test relative to missed menses, recent sexual intercourse, or recent pregnancy.
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According to United States's Office on Women's Health, home pregnancy tests can be 99 percent accurate when used correctly. The amount of hCG present in a woman's urine increases with time, and an accurate result is usually obtained if the test is taken after a missed period.
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But you may get more accurate results if you wait until after the first day of your missed period. This is because the amount of the pregnancy hormone, called human chorionic gonadotropin, or hCG, in your urine increases with time. The earlier you take the test, the harder it is for the test to detect the hCG.
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Many home pregnancy tests claim to be 99 percent accurate. However, home pregnancy tests differ in the ability to diagnose pregnancy in women who have recently missed a period.
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Home pregnancy tests can be 99% accurate The difference is that one uses a test strip or dipstick that you hold in the urine stream and the other uses a urine collection cup with a test device. When you take either of these tests in a lab setting, like at your doctor's office, both are close to 99% accurate.
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The Answer one step quick and simple pregnancy test has been clinically proven to be over 99 percent accurate at detecting levels of the pregnancy hormone from the day of your missed period.
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Pregnancy tests work to find human chorionic gonadotropin (hCG) in your urine. ... Dye tests tend to be more sensitive to hCG, making them better options for earlier use. While pink dye tests win for internet popularity, they boast a similar sensitivity to blue dye options.
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Positive home pregnancy test. Most are over 99 percent accurate once you've missed it, and some brands promise to detect pregnancy hormones in your urine sooner than that. (For example, when you're 3 weeks 5 days pregnant or even 3 weeks 4 days pregnant.)
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Accuracy. As with urine/home pregnancy tests, it is possible to end up with false results (both negative and positive) from a blood pregnancy test.
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Q: How accurate is the test? A: FIRST REPONSE™ is >99% accurate from the day of the expected period in laboratory studies. However, some pregnant women may not have detectable amounts of pregnancy hormone in their urine on the day of the test or may have miscalculated the first day of their period.
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According to most manufacturers, at-home pregnancy tests are about 99 percent effective when used as instructed. That's about the same accuracy rate as most urine pregnancy tests performed in a doctor's office. Blood tests also can determine if a woman is pregnant.
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Urine HCG tests often return false-negative results, particularly very early in pregnancy. This can be stressful and demoralizing to people struggling to become pregnant. Blood tests are typically more accurate, though even these may fail to pick up low levels of HCG in early pregnancy.
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If you are not using first-morning urine, this portion of the test may be inaccurate. However, the actual result indicating whether or not you're pregnant is accurate. The time estimate may be inaccurate because the amount of hCG in the urine may be different depending on when you take the test.