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Lorena - March 24th, 2011 2:29 PM

You can count on a home pregnancy test to be reliable, for the most part, . Some studies suggest that home pregnancy tests, as a whole, are around 97 percent accurate when they’re used in the way that is instructed. What do you think are the causes of false positive pregnancy test?

Gen_youngs43v3r - March 25th, 2011 12:46 AM

A chemical pregnancy can be a cause. Some take a pregnancy test early and you might get a positive in the days before an early miscarriage.

Van28 - March 25th, 2011 2:08 AM

Another possible cause of a false pregnancy test is "evaporation lines" in which lines occur on a home pregnancy test if your urine stream crosses the test in some circumstances. The urine may evaporate, which leaves a results mark on the test.

Diane - March 25th, 2011 2:35 AM

evaporation lines, the line will appear as a faint line, and may not even have much color to it. Some cases, it is possible that a woman would mistake an evaporation line for a positive result. If this happens, a second or subsequent pregnancy test should show that you are not pregnant.

Carmi - March 25th, 2011 4:24 AM

There are some medications that actually contain hCG – the pregnancy hormone that usually result false positive test will come within the first week or so after getting these specific medications, which usually come as a shot.


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