can you get a false positive pregnancy test after tubal ligation?
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Your odds are between 1% to 3.7% depending on factors that include age and surgery type. If you've had a tubal ligation and you miss a period or get a positive result from a pregnancy test, see your doctor right away.
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This is known as a false-positive. A false-positive might happen if you had a pregnancy loss soon after the fertilized egg attached to your uterine lining (biochemical pregnancy) or you take a pregnancy test too soon after taking a fertility drug that contains HCG.
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The chances of getting pregnant naturally after a tubal ligation are low and that's generally a good thing. After all, people typically have tubal ligations as a form of permanent birth control. But, those odds might not be as low as you would expect.
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An ectopic pregnancy occurs when a fertilized egg implants in the fallopian tube instead of the uterus. Women who become pregnant after undergoing tubal ligation have an increased risk of ectopic pregnancy. An ectopic pregnancy can initially cause the same symptoms as a regular pregnancy.
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It's rare, but it does happen. A false-positive pregnancy test can be devastating—especially for women who have difficulty conceiving or who are actively trying to get pregnant. ... Thankfully, false-positive pregnancy tests are rare, but they can happen.
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False positives can also occur, but they're rare. Testing very early could detect a chemical pregnancy, where a fertilized egg implants in the uterus but stops growing before it's big enough to see on an early ultrasound.
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Even in a normal intrauterine pregnancy, false negative urine pregnancy results may occur if the urine is very dilute. A negative urine hCG does not definitively rule out ectopic pregnancy, regardless of the date of the last menstrual period.
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You might get your period a few days after a positive pregnancy test and assume you had a false-positive result. However, it could be that you were pregnant but miscarried very early on. “It's not that the test is wrong—it was completely accurate at picking up the hormone [hCG]," Dr. Williams says.
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The medication can cause a false-positive result if you take the test too soon after a missed period. Medications that may cause a false positive pregnancy: Antihistamines.
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What can cause a false positive? Getting a true false positive – one where you were never pregnant in the first place – is incredibly rare. Pregnancy tests detect the hCG (human Chorionic Gonadotrophin) hormone in your body, which is only present when you're pregnant.
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Tubal ligation can increase your risk of an ectopic pregnancy. This is where a fertilized egg implants in the fallopian tubes instead of traveling to the uterus. An ectopic pregnancy can turn into an emergency. It's important to be aware of the symptoms.
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If the result is negative, it may be a good idea to take another test in a few days, to give hCG levels a chance to rise. Very few medications, including fertility drugs, may cause false positives. Otherwise, a positive result followed by a negative result a few days later could mean a very early pregnancy loss.
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You might get your period a few days after a positive pregnancy test and assume you had a false-positive result. However, it could be that you were pregnant but miscarried very early on. “It's not that the test is wrong—it was completely accurate at picking up the hormone [hCG]," Dr.
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Diagnosis of ectopic pregnancy If your pregnancy test is negative, it's unlikely that your symptoms are being caused by an ectopic pregnancy. If your pregnancy test is positive or your symptoms strongly suggest you have an ectopic pregnancy, your GP may refer you to a hospital specialist.
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So, although getting pregnant after having your tubes tied is highly unlikely, it is possible. If you feel like you may be pregnant post-procedure, the easiest thing to do is to take an over-the-counter home pregnancy test.
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In very rare cases, you can have a false-positive result. This means you're not pregnant but the test says you are. You could have a false-positive result if you have blood or protein in your pee.
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A false positive can be the result of the fact that in many fertility treatments, hCG is given to “trigger” ovulation and may remain in the blood. A false negative might occur because a low level of hCG may be undetectable in a urine test despite a pregnancy starting.