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Q: Do evaporation lines on pregnancy tests have colour in them?
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What can give a positive pregnancy test?

Besides pregnancy I am assuming? On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.


Can a hormone imbalance give a positive pregnancy resULt?

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.


What will make a home pregnancy gives a false positive?

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.


I got 3 faint positive urine tests but a negative hcg blood test why and can it be wrong?

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.


Is it possible to have two false positive pregnancy tests?

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.


Can an outside substance be used on an over the counter pregnancy test be made to show positive when there is no pregnancy?

On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines, a recent pregnancy or a chemical pregnancy.


What could be causing me to have a positive home pregnancy test?

Other than pregnacny? On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.


Can having meth in your system cause a false negative on a pregnancy test?

I am not sure about that medication but I do know that on rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.


Will a pregnancy test come out positive if you are 3 wks pregnant?

It is very likely! On rare occasions you can encounter a false positive due to improper testing, expired pregnancy tests, rare medical conditions such as certain types of cancer, evaporation lines or a chemical pregnancy.


What does it mean when the pregnancy test reads yes but doctors say you are not?

If you read the test after the 10 minute mark, there is a very good chance your positive result is actually an evaporation line. So many tests out there now have evaporation lines after sitting for awhile. It is very important to read the test within 10 minutes.


If you took 2 pregnancy tests both with a negative result that later turned positive could that still mean you are pregnant?

Nope...those are called "evaporation lines." They will almost always show up 30-60 minutes after you take the test. All tests have a STRICT time limit to check the test, and it's usually 10 minutes.


How do blood pregnancy tests work?

It tests the hCG (pregnancy hormone) levels that are in your blood.