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Pregnancy Tests
Pregnancy tests are now simple enough that women can quickly and reliably find out whether they are pregnant in their doctor's office or at home.All pregnancy tests (whether they use blood or urine) detect a hormone produced by the placenta called beta human chorionic gonadotropin (beta-hCG). This hormone is produced only by the placenta and hence is specific to pregnant women. The test results are not perfect-rarely a woman who is pregnant may...
Source: healthline.com

www.babymed.com/pregnancy-tests/early-false-negative-home-pregnancy-test-hpt

If you take a home pregnancy test too early when you are already pregnant then you may get a false negative result. This is the major reason for a false negative ...

www.early-pregnancy-tests.com/pregnancy-test-false-negative

Feb 17, 2017 ... There are at least three reasons for a pregnancy test false negative. ... A negative result in these early days could definitely be a false negative.

www.pregnancycorner.com/pregnant/pregnancy-test/false-negative.html

False negative pregnancy test results can really mess with a woman's emotions. Find out what causes false results.

www.parents.com/pregnancy/signs/test/false-negative-pregnancy-test

False negative pregnancy tests don't really happen, as long as you're taking the test correctly. But there are some reasons why you could get a negative reading ...

www.mayoclinic.org/healthy-lifestyle/getting-pregnant/in-depth/home-pregnancy-tests/art-20047940?pg=2

It's possible to get a negative result from a home pregnancy test when you're actually pregnant. This is known as a false-negative — and it's much more likely to ...

www.negativepregnancytest.com/top-10-reasons-for-a-negative-pregnancy-test

Jun 16, 2015 ... Another reason that women get negative pregnancy test readings .... She may get a false negative result when in fact she is really pregnant.

www.madeformums.com/pregnancy/false-negative-pregnancy-test---how-common-is-it/36146.html

A negative pregnancy test is still most likely to mean you're not pregnant. But if you really ... Reasons for a false negative pregnancy test result. It's too early.

www.babyhopes.com/articles/falsenegative.html

One of the most common reasons for a false negative result is testing too early. In order for a pregnancy test to show accurate results, you have to give your body ...

www.whattoexpect.com/wom/preconception/what-causes-a-false-negative-pregnancy-test.aspx

A false negative pregnancy test result can happen for many reasons. If you pee on the stick too early in your cycle, the test can show up as negative when in fact  ...