two lines mean pregnant !
Two white lines mean you should not cross these lines.
Yes, you can get a false negative with a hpt. On the other hand you can not get a false positive with a hpt.
most likely yes.
2 lines pregnant; one not.
it has 3 blue lines and two white lines
Do you mean like this -:-
it means that two straight lines that will never connect
Depends on the test you are using. Read the directions. Most tests work on a control and test line. If one is there it is a negative. If two blue lines are present it is a positive, but it does depend on what test you are using.
The zone between the two blue lines
two lines or planes
Usually a single line indicates a negative result and two lines means positive.