Question 1

do pregnancy tests fail?

Accepted Answer

Yes: You could have false positive test. Make sure you do a quantitative HCG to asses the amunt of hormones.

Question 2

how to read pregnancy tests?

Accepted Answer

Yes: Each kit is a little different but there is usually a control line that is always there and a line next to it that is there if the pregnancy test is positive.

Question 3

how do pregnancy tests work?

Accepted Answer

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.

Question 4

do home pregnancy tests fail?

Accepted Answer

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

Question 5

how accurate are pregnancy tests?

Accepted Answer

See below: When performed correctly they are extremely accurate, reliable and valid.

Question 6

are otc pregnancy tests accurate?

Accepted Answer

Yes: Home pregnancy tests are accurate, reliable and valid. They become positive when you're about 1 week late.  If they're negative at that time, repeat in 1 week.

Question 7

do homemade pregnancy tests work?

Accepted Answer

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.

Question 8

are there reusable pregnancy tests?

Accepted Answer

No: The kits for home pregnancy tests are single use only.

Question 9

how accurate are home pregnancy tests?

Accepted Answer

Very: Currently available otc pregnancy tests are just as reliable as those done in your doctor's office - better than 98 to 99% accurate by 10 days after conception.

Question 10

are pregnancy tests effective at night?

Accepted Answer

If your HCG level is: High enough it will trigger a + test. Early on, use of a first morning void is often recommended due to increased concentration.

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Doctor answers about:

Pregnancy tests

A member asked:

Do pregnancy tests fail?

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How to read pregnancy tests?

A member asked:

How do pregnancy tests work?

A member asked:

Do home pregnancy tests fail?

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How accurate are pregnancy tests?

A member asked:

Are otc pregnancy tests accurate?

A member asked:

Do homemade pregnancy tests work?

A member asked:

Are there reusable pregnancy tests?

A member asked:

How accurate are home pregnancy tests?

A member asked:

Are pregnancy tests effective at night?

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