how blood pregnancy test is done?
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Blood pregnancy tests used by doctors To perform a blood pregnancy test, the doctor draws blood from a vein in your arm. 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.
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If you suspect you could be pregnant, you can see your doctor (or family planning clinic) for a pregnancy test. The doctor may perform a pregnancy test on your blood or urine. Alternatively, you could buy a home pregnancy test kit, which is available from pharmacists.
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Blood tests can tell if you are pregnant about six to eight days after you ovulate. Doctors use two types of blood tests to check for pregnancy: Quantitative blood test (or the beta hCG test) measures the exact amount of hCG in your blood. So it can find even tiny amounts of hCG.
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The test is performed by taking a sample of blood and measuring the level of HCG in it. The HCG levels should be taken 48 hours apart. It is often necessary to take several blood tests 48hrs apart to establish the pattern of results and monitor whether the hormone level rises or falls with time.
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For a hemoglobin test, a member of your health care team takes a sample of blood by pricking your fingertip or inserting a needle into a vein in your arm. For infants, the sample may be obtained by pricking the heel. The blood sample is sent to a lab for analysis.
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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. HCG is released when a fertilized egg attaches to the lining of your uterus — when pregnancy begins.
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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.)
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One tests the blood for the pregnancy hormone, hCG. And you need to see a doctor to have a blood test. The other checks the urine for the hCG hormone. Urine tests Doctors can perform urine pregnancy tests (UPT) in their office and is usually the first step in diagnosing a pregnancy.
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Home pregnancy tests (HPTs) are quite accurate. They work by detecting the presence of human chorionic gonadotropin (hCG) in the urine, which is produced when pregnancy occurs.
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Blood pregnancy tests used by doctors Your doctor can give you a blood pregnancy test as early as 11–14 days after ovulation.
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A blood pregnancy test is a quantitative hCG blood test to show how much hCG (or human chorionic gonadotropin) is in your blood. This is the type of blood pregnancy test that most people are referring to when they talk about blood tests for pregnancy.
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You can take a pregnancy test in a hospital after you have had implantation bleeding. However, it is wise to wait for a week after the due date of period for the result to be most accurate. A pregnancy blood test in a hospital can give you result much faster than a home pregnancy test, by at least 4 days.
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['A pelvic exam to check the size of your uterus and feel for growths or tenderness in your belly.', 'A blood test that checks the level of the pregnancy hormone (hCG). This test is repeated 2 days later. ... ', 'An ultrasound.']
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If you're bleeding vaginally or are on your period, you can still take a pregnancy test without affecting the result. This is because home pregnancy tests are designed to detect the levels of human chorionic gonadotropin (hCG, also known as the pregnancy hormone) in your urine.
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You'll either urinate on a pregnancy dipstick, or urinate in a cup and then put the dipstick in the urine. You'll wait a few minutes for the results. At-home pregnancy tests claim to be about 99 percent accurate. But they can sometimes result in a false positive or a false negative.
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Pregnancy blood test This hormone is produced during pregnancy. The time it takes for these tests to result can vary. If a doctor has an in-house laboratory, you may receive your result in a few hours. If not, it could take two to three days.
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Pregnancy tests work by detecting the hCG hormone in your urine. When your urine comes in contact with the specially treated strip on a pregnancy test stick, results appear within minutes, indicating whether or not hCG, the pregnancy hormone, has been detected.