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Doctor insights on: What Is The Rate Of Accuracy For Home Pregnancy Tests

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Dr. Lois Freisleben-Cook
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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What are the error rates of at-home pregnancy tests?

What are the error rates of at-home pregnancy tests?

Depends: Many home preg tests typically maintain a 99% accuracy rate or better. But, false negatives could occur if checked too soon (before your missed period). Usually, the more sensitive the test, the earlier you can get an accurate pregnancy result. Experts advise when buying a home preg test, the most sensitive tests currently detect about 15- 25 miu of hcg, which should be pos by missed pd. ...Read more

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Are all home pregnancy test reliable? How much is the percentage rate of unreliability?

Are all home pregnancy test reliable? How much is the percentage rate of unreliability?

Time and process: Home pregnancy test are accurate, if done at the right time and you follow the instructions for the test. You should wait 4-5 days after the missed period, use first morning urine and follow the instructions carefully. ...Read more

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Are at home pregnancy tests ever wrong? What is the accuracy rate?

Are at home pregnancy tests ever wrong? What is the accuracy rate?

Quite accurate: If you take a test when you miss your period and it is negative, you may need to repeat in a week or less if the urine HCG level just wasn't high enough to trigger a +. ...Read more

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What is the most accurate home pregnancy test?

What is the most accurate home pregnancy test?

See below.: "first response manual” and “first response gold digital devices" are the most sensitive tests on the market with a 97% + sensitivity on the day after the missed period. ...Read more

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What is the accuracy of are my HIV test results?

What is the accuracy of are my HIV test results?

I don't know: You didn't provide any information about them. Is the result negative or positive? When was it performed in relation to risky behavior? What kind of test was it? I suggest you resubmit your question with more information. ...Read more

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How reliable are home pregnancy tests (ones like clearblue and first response) and what is the likelihood of a false neg. weeks after missed period?

Pretty reliable: If performed correctly and enough time has past. If test is performed too early you can have a false negative, but it sounds as if you are far enough out. ...Read more

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Which type of pregnancy test is the most accurate from the drug store? And how accurate are pregnancy test?

Which type of pregnancy test is the most accurate from the drug store? And how accurate are pregnancy test?

HPT: All home pregnancy tests sold in the states are extremely accurate, capable of detecting pregnancy as early as 4 weeks after your last menstrual period. None are any more accurate or effective than others. So pick one based upon cost & ease of use. Better yet, talk to your family doc about contraception so you won't need hpt. And make him wear a condom to prevent sexually transmitted infections! ...Read more

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What is the earliest you can take a pregnancy test for the most accurate result?

What is the earliest you can take a pregnancy test for the most accurate result?

A week: A week after the act or after missing a period whichever come first repeat in another week for confirmation and a blood test ordered by the doctor for more confirmation ...Read more

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If the home pregnancy test is positive and the blood test is negative is there still a chance of pregnancy?

Most probably not: Blood HCG test is more sensitive and usually detects pregnancy earlier than urine HCG test. Moreover blood test is done in labs with better controls that urine test done at home under stressful condition. ...Read more

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Going to test at the clinic, i have 8 positives and 1 negative home pregnancy tests. How accurate is the test at the clinic?

Going to test at the clinic, i have 8 positives and 1 negative home pregnancy tests. How accurate is the test at the clinic?

Accurate: if you have a missed period for 2 weeks by urine and if tested by blood sooner. 8 positive tests at home very likely means you are pregnant. All the best. ...Read more

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What is the earliest one should take a pregnancy test, and what are the earliest signs of pregnancy?

What is the earliest one should take a pregnancy test, and  what are the earliest signs of pregnancy?

2 to 3 weeks: Testing too late adds to the anxiety of waiting. Testing too early means you will not be totally sure that you are not pregnant, even if the result is negative. Generally, my advice is to test 2 weeks after intercourse. If result is positive, then you know early. If result is negative and you still have no menstruation, test again 3 weeks after intercourse to be sure. ...Read more

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What is the chance of getting a false negative on pregnancy test at possible 16 weeks of pregnancy?

What is the chance of getting a false negative on pregnancy test at possible 16 weeks of pregnancy?

Hmmm...: Most women know they are 16 weeks pregnant without a urine or blood test. So, if there is an obvious baby inside, then any negative pregnancy test is a false negative. That being said, a false negative pregnancy test is rare after 4-5 weeks of pregnancy... which means that if a woman has not "confirmed a pregnancy" at 16 weeks, and she gets a negative test result, she should visit her doctor. ...Read more

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What are the chances of home pregnancy test being correct on the day menstration is due?

What are the chances of home pregnancy test being correct on the day menstration is due?

Depends on test: Read label and insert which should give you some data about when the test is reliable. Some are reliable very early after implantation and before you would normally start your period. Others are only reliable beyond the missed period. Remember, a positive test it likely to be correct and a negative could mean you just performed it too early. ...Read more

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What are the earliest symptoms of pregnancy? And when is the earliest time to use a pregnancy test?

What are the earliest symptoms of pregnancy? And when is the earliest time to use a pregnancy test?

Back to School?: True early pregnancy is symptom free. Remember health class where you learned that a fetus is not connected physically or chemically to its mother for the first fourteen or so days after conception? Thus any symptoms before the baby is big enough to be sharing a blood supply in the uterus with the mother are not pregnancy. Testing is best done after this fourteen day window and a missed period. ...Read more

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What is the likelihood of getting a false positive on a home pregnancy test?

What is the likelihood of getting a false positive on a home pregnancy test?

Very low: Though one can never say never, the tests are designed to err on the side of a false negative rather than a false positive. ...Read more

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What are the best brands for an at home chlamydia test? Is the swab test or urine test more reliable?

What are the best brands for an at home chlamydia test? Is the swab test or urine test more reliable?

Any NAAT, urine: Probably you mean specimen collection at home, sending it to a lab. (No self test for chlamydia is approved or available in the US.) Any lab-based NAAT (nucleic acid amplification test), such as Aptima®, will be highly accurate and reliable. Urine is best, partly because most men will have difficulting passing a swab 1-2 inches into the urerthra, required for highly accurate testing. ...Read more

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Are at home pregnancy tests ever wrong? What is the accuracy rate?

Quite accurate: If you take a test when you miss your period and it is negative, you may need to repeat in a week or less if the urine HCG level just wasn't high enough to trigger a +. ...Read more

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Can an irregular menstrual cycle affect the accuracy of home pregnancy tests?

Can an irregular menstrual cycle affect the accuracy of home pregnancy tests?

No: With an irregular cycle it is more difficult to figure out the best time to do the test, but the test itself remains very accurate. ...Read more

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What are the error rates of at-home pregnancy tests?

Depends: Many home preg tests typically maintain a 99% accuracy rate or better. But, false negatives could occur if checked too soon (before your missed period). Usually, the more sensitive the test, the earlier you can get an accurate pregnancy result. Experts advise when buying a home preg test, the most sensitive tests currently detect about 15- 25 miu of hcg, which should be pos by missed pd. ...Read more

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I am pcos. How many weeks till pregnancy tests show 100% accuracy? I have no symptoms but sore nipples but the pain is fading. 50 days late.

4 weeks: Most pregnancy tests will show positive around 4 weeks, which is the time of the missed period. They are quite accurate but it is unusual for any medical test to be 100% accurate. ...Read more

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Do home pregnancy tests fail?

Do home pregnancy tests fail?

I suspect that most: Problems are due to user error rather than product failure. ...Read more

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How accurate are home pregnancy tests?

How accurate are home pregnancy tests?

Very: The pregnancy test is very accurate. It measures to 25 miu of b-hcg. In other words it turns positive about a week after conception. ...Read more

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How accurate are home pregnancy tests?

How accurate are home pregnancy tests?

Very accurate: They are very accurate, but no test is perfect. If you are concerned the test is wrong, you can have your dr perform a blood test. ...Read more

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Can home pregnancy tests have glitches ?

Can home pregnancy tests have glitches ?

Pregnancy Tests: Define glitches. Home testing, if done appropriately and after a missed period are very accurate. ...Read more

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What are some easy Home pregnancy tests ?

What are some easy Home pregnancy tests ?

Any of them: There are tons of different brands available at any pharmacy. There are cheap ones and expensive digital ones. For the most part they work the same. Head over the any pharmacy. If you had already missed your period then the less expensive ones are fine. In minutes you will have your answer. ...Read more

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Can the home pregnancy tests always work?

No: Not quite as sensitive as blood pregnancy tests. If you've had unprotected sex and a missed period, see your dr. Also other causes of missed periods like hormone imbalance. ...Read more

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How often are home pregnancy tests wrong?

How often are home pregnancy tests wrong?

A lot.: They are wrong a lot. Many false negative occur if they are used during the first 2-3 weeks of pregnancy. A positive, however, is positive and indicates pregnancy. ...Read more

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Do home pregnancy tests work for all women?

Yes they should.: Most tests claim they are sensitive enough to be positive as early as first day of missed period, but waiting for a week would give you more reliable results. ...Read more

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How accurate are the home pregnancy tests!?

Pretty accurate : It's always a good idea to get it confirmed by your doctor but they are pretty similar to the ones we use in our office. That said I am suspicious of some if the really cheap ones out there. ...Read more

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How accurate are most at-home-pregnancy tests?

How accurate are most at-home-pregnancy tests?

Depends: Home pregnancy tests measure the amount of beta human Chorionic Gonadotropin hormone in urine. It takes about 1 week after conception for beta HCG to become detectable in the blood and 2 weeks for it to become detectable in urine. If it has not been 2 weeks since your missed period, your home pregnancy test may be falsely negative. ...Read more

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Can home pregnancy tests ever expire or go bad?

Can home pregnancy tests ever expire or go bad?

Yes They expire: If you use a pregnancy test after its expiration date it’s sensitivity to HCG may be decreased. ...Read more

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I'm wondering are home pregnancy tests ever wrong?

I'm wondering are home pregnancy tests ever wrong?

Yes: One study showed that there is a nearly 25% false negative rate on those tests. This rate increases even more if the test is done earlier than 9 days after the missed period. ...Read more

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What is the right time to conduct home pregnancy tests?

Missed period: When your period is missed or shortly there after with a first morning void. ...Read more

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After how much time should I be taking home pregnancy tests?

After missed period: It is preferable to wait 4-5 days after a missed period to do home pregnancy test. Use first morning urine and follow the instructions carefully. ...Read more