Baby Hopes explains that an invalid positive pregnancy test can occur because of a chemical pregnancy, an evaporation line on the test, chemical interference or a missed reaction t...
The control line of this pregnancy test is blank, making the test invalid ...
conditions may produce elevated hCG and thus cause a false positive pregnancy
Please do not confuse invalid with negative. THERE IS A DIFFERENCE
BETWEEN INVALID AND NEGATIVE. Invalid is when the test is unable to show
An invalid pregnancy test occurs when the patient does not see any visible line in
the pregnancy test kit after completing the test, according to ...
If there is still no pink line in the triangle control window, the test is invalid and
testing ... Certain health conditions can also cause a false or irregular test result.
Feb 2, 2011 ... Read all 11 responses: "I am a few days late. I have taken a couple of pregnancy
tests, one Saturday afternoon which came back invalid.
HCG is also detected in home pregnancy tests but is most accurate when used 1-
2 ... Causes 4 multipal "invalid" results w/ home Pregnancy.
Mar 20, 2005 ... I took a pregnancy test earlier today, and it came out to be no ... No lines means it
is invalid, usually you have to take it first thing in the morning, ...
Printable usage instructions for the Aimstrip pregnancy test strips. ... If a colored
line does not appear in the "Control Zone", the test is invalid (see "Examples of
Invalid ... Certain health conditions can also cause a false or irregular test result.
www.ask.com/youtube?q=What Causes an Invalid Pregnancy Test?&v=3xJwr27hnQY
Dec 7, 2015 ... Please Bookmark Instructions for Future the test is negative and you can assume
you are not pregnant. Invalid: What Causes Multiple Invalid ...