how long does hcg stay in your system after iui?
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Depending on the dose, it can take about 14 days for the trigger shot to leave your system. So if you take a pregnancy test sooner than 14 days after your IUI and get a positive, it may be a false positive from the leftover hCG in your body — not from new hCG produced after implantation.
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Well, studies have shown that 85 percent of normal pregnancies will have a 66 percent rise or greater of HCG over 48 hours. This does not last all through pregnancy–usually just through the first four-six weeks. When the HCG rises appropriately, there is a much lower chance of ectopic or miscarriage.
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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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Your hCG levels start to increase rapidly as soon as a fertilized egg implants in your uterus. This usually happens about 10 days after conception.
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Because fertility treatments are not often covered by insurance, ovulation tests or OPKs are a low-cost option to help you and your physician determine the optimal timing for an IUI procedure (12-36 hours after positive result).
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You have residual hCG in your system after a delivery or miscarriage. After you give birth or miscarry, hCG can persist in your body for months, Dr. Williams says. The American Pregnancy Association estimates it takes four to six weeks for hCG levels to return to normal after a woman suffers a miscarriage.
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If the test is positive in the morning or at noon, we usually perform the IUI the next day. If it is negative in the morning and positive in the evening, we usually perform IUI the next afternoon or the following morning (1.5 days later). Menses will occur 13-15 days after the LH surge.
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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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It takes just over 38 hours for ovulation to occur after an injection of hCG (Pregnyl). Eggs are mature and can float free from about 34 hours after hCG, giving a four-hour window for egg retrieval, which is scheduled 36 hours after the hCG injection.
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Your IUI is usually performed to coincide with ovulation — 24 to 36 hours after you take the shot. From there, your doctor may also suggest taking progesterone supplements (either orally or vaginally) to help with implantation.
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An egg should be released within one to three days of the positive ovulation test. Once an egg is released, it is viable, or fertile, for around 24 hours. Sperm remains viable for even longer, and can live inside a woman's body for up to five days.
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Intercourse after the IUI for the next couple of days is encouraged - and intercourse and orgasm cause the uterus to contract and can help propel the sperm in to the fallopian tubes. 6. If you do not get your period 14 days after the insemination, a pregnancy test should be done.
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Doing the math. If it takes 6 to 12 days after a successful IUI for a fertilized egg to implant, and 2 to 3 days for hCG to build up, you can see why it's best to wait at least 14 days to take a pregnancy test.
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It can take anywhere from 16 days up to 2 months for hCG levels in the body to fall below the levels detected by a pregnancy test. If you take a pregnancy test within that time frame, you're likely to test positive whether you're still pregnant or not.
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Typically, it takes about 10 days for the drug hCG to clear from blood and urine. So, if you do an UPT too soon — 10 days or less after the hCG injection — you may get a false positive because you are detecting the medication that is still in your blood and urine, not the hCG that a pregnancy is making.
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The only way to be sure whether or not IUI has worked is to take a pregnancy test 14 days after the IUI procedure. Some women opt to take home pregnancy tests earlier than this, which can be somewhat stressful. It is not easy to get a reliable result before 14 days.
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Triggering ovulation It takes just over 38 hours for ovulation to occur after an injection of hCG (Pregnyl). Eggs are mature and can float free from about 34 hours after hCG, giving a four-hour window for egg retrieval, which is scheduled 36 hours after the hCG injection.