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Doctor insights on: Do Home Pregnancy Tests Not Work On Some Women

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Do home pregnancy tests work for all women?

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

Dr. William Singer
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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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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Is it possible that some women never get positive home pregnancy tests throughout pregnancy? Been reading stories online

Is it possible that some women never get positive home pregnancy tests throughout pregnancy? Been reading stories online

Gullible?: Remember the advisory not to believe everything you read? Can you, as a female, believe that any female could have a baby growing inside of them for nine months and not in some way know that something was wrong? or different? or that they were pregnant? Please do not be gullible about stories like this. ...Read more

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What is the mechanism by which home pregnancy tests work?

What is the mechanism by which home pregnancy tests work?

Urinary hcg: They test for urinary levels of HCG which become elevated in pregnancy. It can take as much as 2 wks to turn positive and over-the-counter tests aren't always as sensitive as tests at your doctor's office. Recheck a week or two later if you're late for your period & suspect you might be pregnant. ...Read more

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After delivery, how soon will the home pregnancy tests work?

Pregnancy test: After you deliver, your pregnancy test can remain positive for up to a month or so afterwards. It is sometimes hard to tell if positive pregancy test is just leftover from the delivered pregnancy or a new pregnancy. The best way to tell is to do serial a beta HCG levels(a blood test) and see if the numbers are going up or down. ...Read more

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How accurate are home pregnancy tests? are urine tests usable throughout the pregnancy or do they not work later into the pregnancy?

How accurate are home pregnancy tests? are urine tests usable throughout the pregnancy or do they not work later into the pregnancy?

Very accurate: If used correctly, and prior to their expiration date home pregnancy tests are very accurate. They will show positive throughout the pregnancy. ...Read more

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How do home pregnancy tests work? Where you urinate on the stick. How is it able to determine if you're pregnant from your urine?

How do home pregnancy tests work? Where you urinate on the stick. How is it able to determine if you're pregnant from your urine?

Preg test: It detects the pregnancy hormone hcg. However, it may not detect low levels of this hormone very well, so you should have a confirmatory blood beta HCG level in your doctors office. ...Read more

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Pregnancy tests say you can test 4 days before missed period. Why does it work for some women and not for others?

Pregnancy tests say you can test 4 days before missed period.  Why does it work for some women and not for others?

Many women wait: Until they have a missed a period before using a standard pregnancy test. Early pregnancy tests may be able to detect pregnancy up to 6 days prior to a missed period. ...Read more

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45 year old female cyst on right ovary missed period in may 4 home pregnancy tests negative. What could be the problem.

45 year old female cyst on right ovary missed period in may 4 home pregnancy tests negative.  What could be the problem.

Menstrual: irregularities are not uncommon. Anovulatory cycles are one cause. Another likelihood is the beginning of menopause. Please consult this site for more info.
http://www.nichd.nih.gov/health/topics/menstruation/conditioninfo/Pages/causes.aspx ...Read more

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How do pregnancy tests work?

How do pregnancy tests work?

Measure hormones: Pregnancy tests measure the level of a hormone called human Chorionic Gonadotropin (hcg), which begins to be produced when the fertilized egg implants into the uterine wall. This hormone can be measured in urine or in the blood. The blood test is the more accurate of the two methods. ...Read more

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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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Do early pregnancy tests work?

Do early pregnancy tests work?

Yes they do: Urine pregnancy tests are not quite as sensative as the blood test is but after a certain gestational age accurate as well. ...Read more

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Do homemade pregnancy tests work?

Do homemade pregnancy tests work?

No: One can buy a urine pregnancy test at the store. It will give a reliable result, if the test is done correctly, 1 week after missing a period, or 3 weeks after sex (when conception might have occurred). If a woman's normal regular period happens, then she is not pregnant at that time, and doesn't need to do a pregnancy test at that time. ...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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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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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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Question for all women about best pregnancy tests!?

Question for all women about best pregnancy tests!?

Best Pregnancy Test: According to american journal of obstetric and gynecology the best home pregnancy test is first responceearly pregnancy test
the study evaluated592 urine specimins from women at different stages of the pregnancy to determine what kind of Chorionic Gonadotropin is prevalent at what time.The inference was that first responce is the most sensitive test and detects pregnancy in 95% cases. ...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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How well do the first response pregnancy tests work ?

How well do the first response pregnancy tests work ?

Home Pregnancy Test: They are very accurate. They are the same type of tests that are used in the doctors office ...Read more