how long does it take for blood hcg to come back?
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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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A blood test can detect hCG about 11 days after conception, and a urine test can detect it 12 to 14 days after conception, according to the American Pregnancy Association. A woman's hCG level typically doubles every 72 hours through 8 to 11 weeks of pregnancy. Then it remains consistent and decreases after delivery.
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The levels of hCG increase as your pregnancy progresses, peaking at around 8-11 weeks, before dropping to a lower level at 12 and 16 weeks. Some pregnancy test kits can detect hCG levels as low as 10 or 25mIU/ml. If you're pregnant, at 10 days past ovulation (DPO) you may be able to detect around 25mIU.
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Typically, the hCG levels will double every 72 hours. The level will reach its peak in the first 8-11 weeks of pregnancy and then will decline and level off for the remainder of the pregnancy.
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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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The first few days after fertilization, hCG levels are often very low. A little over a week after conception, these levels should be high enough for detection by a blood pregnancy test. However, there is still a risk that the test will not produce an accurate result.
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Timing of implantation Detection of hCG depends on the timing of implantation, so hCG can normally be detected in the blood between nine and 16 days after ovulation. Urine hCG can be detected about two to three days after blood hCG can first be seen.
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Time Frame for hCG to Return to Normal It can take around a week to return to zero with a chemical pregnancy (a very early pregnancy loss) and up to a month, or even more, with a miscarriage that occurs later in pregnancy.
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It takes about 2 weeks for your hCG levels to be high enough to be detected in your urine using a home pregnancy test. A positive home test result is almost certainly correct, but a negative result is less reliable. If you do a pregnancy test on the first day of your missed period, and it's negative, wait about a week.
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hCG blood levels. Low levels of hCG may be detected in your blood around 8 to 11 days after conception. hCG levels are highest towards the end of the first trimester, then gradually decline over the rest of your pregnancy.
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Confirming pregnancy After you conceive (when the sperm fertilises the egg), the developing placenta begins to produce and release hCG. It takes about 2 weeks for your hCG levels to be high enough to be detected in your urine using a home pregnancy test.
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After a miscarriage or abortion, the levels of hCG start to fall, but only slowly. Typically, hCG declines over a period ranging anywhere from 9 to 35 days. The average time frame is around 19 days. Taking a pregnancy test within that period can result in a false-positive test.
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Although low hCG levels are completely normal in early pregnancy — hCG is just starting to show up in your system, after all — it'll soon begin to soar, doubling every 48 hours, give or take. The rapid increase peaks somewhere between 7 and 12 weeks after the last menstrual period (LMP), and then starts to decline.
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HCG Levels During Pregnancy HCG levels rise eight days after ovulation, peak at 60 to 90 days, and then lower slightly, leveling off for the remainder of the pregnancy. Typically, during the first 10 weeks of your pregnancy, HCG levels double every two days.
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Timing of implantation Detection of hCG depends on the timing of implantation, so hCG can normally be detected in the blood between nine and 16 days after ovulation.
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Pregnancy tests check for the presence of the pregnancy hormone, human chorionic gonadotrophin (HCG), in your urine. Your body begins to produce HCG after you conceive. If you get a positive test result on the first day of your missed period, it's probably about 2 weeks since you conceived.
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A blood pregnancy test can confirm a pregnancy as early as 10 days after a missed period (around 6-8 days after you have ovulated)—and sometimes, these tests can detect hCG even earlier. You must go to your doctor's office to get a blood pregnancy test.