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

Could a negative result be wrong? It's possible to get a negative result from a home pregnancy test when you're actually pregnant. This is known as a ...

www.babycenter.com/404_how-reliable-is-a-negative-pregnancy-test-result_10315124.bc

A negative home pregnancy test result can be wrong, and it happens more often than you think. Find out what causes false negatives and when you should ...

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

Because women's menstrual cycles can vary, those women may not have enough hCG for the test to pick up yet. "If you receive a negative pregnancy test, you ...

pregnancy.lovetoknow.com/wiki/Why_a_Pregnancy_Test_Can_Be_Wrong

Your pregnancy test is wrong if you get a negative result even though you are actually pregnant (false negative) and a positive result when you are not (false ...

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

Wrong pregnancy test results do happen, and in fact false negatives are more common than false positives. However, it's also important to say that this shouldn' t ...

www.essentialbaby.com.au/conception/trying-to-conceive/why-pregnancy-tests-can-show-the-wrong-result-20150604-ghh4ff

Jun 4, 2015 ... Sometimes even modern pregnancy tests can get it wrong, giving false negative or positive results.

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

Feb 17, 2017 ... There are at least three reasons for a pregnancy test false negative. ... Pregnancy Test Review and Comparison Chart · How Early Can I Test ...

www.romper.com/p/can-a-pregnancy-test-be-wrong-5-ways-to-ensure-accurate-read-5326

Feb 10, 2016 ... If you're anxious for a baby and get a negative test result, you may find ... or chemical pregnancy, can cause a false positive pregnancy test.

www.self.com/story/false-positive-pregnancy-test

Feb 14, 2017 ... A false-positive pregnancy test can be devastating—especially for ... “It's not that the test is wrong—it was completely accurate at picking ... And if you get a negative pregnancy test, know that a false negative is possible, too.