are urine pregnancy tests as accurate as blood tests?
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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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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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But with these tests, it takes longer to get the results, usually 2-3 days, than with a urine pregnancy test since they must be sent to a lab. Most doctors' offices are not certified nor setup for blood analysis.
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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. Pregnancy blood tests are about 99 percent accurate. A blood test is often used to confirm the results of a home pregnancy test.
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Home pregnancy tests can be 99% accurate Both test for the presence of the pregnancy hormone hCG (human chorionic gonadotropin). 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.
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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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The homemade pregnancy tests described above have no scientific basis. No research suggests that they're accurate methods for detecting pregnancy. They're based on anecdotal evidence only. Furthermore, there's also anecdotal evidence that urine from nonpregnant people can cause the positive reactions described.
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If you follow directions, home pregnancy tests are an estimated 97% to 99% accurate. Yet if you get a negative result and suspect you're pregnant, check the instructions on the box. Home pregnancy tests typically recommend retaking the test 5 to 7 days later, when the hCG levels in your body will be higher.
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Homemade pregnancy tests have been around for centuries, and are a quick, inexpensive, and fun way to see if you 're pregnant. However, no homemade or over-the-counter pregnancy tests are 100% accurate. So be sure to follow up with your OB/GYN or midwife to confirm your pregnancy and start prenatal care.
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How accurate are pregnancy tests? Pregnancy tests are super accurate when you use them correctly. 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.
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Blood tests are done in a doctor's office. They can pick up hCG earlier in a pregnancy than urine tests can. Blood tests can tell if you are pregnant about six to eight days after you ovulate.
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Urine tests or home pregnancy tests are around 97% accurate when done correctly. Home pregnancy tests are great to use because they can be done at home, they are usually low in cost (anywhere from $7.99 to $19.99), private, they give a fast result, and are easy to use.
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Are expensive tests more accurate than cheap ones? All home pregnancy tests are up to 99 percent accurate if you follow the instructions. That's just as reliable as the urine pregnancy tests used at doctors' offices.
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How HCG works as a pregnancy test. Many women have very low levels of HCG in their blood and urine when they are not pregnant. HCG tests detect elevated levels. Tests may not detect pregnancy until HCG has risen to a certain level.
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So what accounts for the price variations among different tests? Some pregnancy tests may be more sensitive to hCG than others. Certain brands might claim that their test can give you an accurate result as early as five to six days before your missed period.
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This blood is sent to a laboratory for testing. The results of most blood pregnancy tests take at least a couple of days. The laboratory then advises the doctor of the result. Blood test results are about 99 per cent accurate and can detect lower amounts of hCG than urine pregnancy tests.
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Advantages of having a blood test done: Can detect a pregnancy earlier than a urine test at about 7-12 days from possible conception (but if a negative result is received, a test should be repeated if a period is missed.)