I took my POSITIVE digi apart.

honeybee2

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Now I know you're not supposed to take them apart, however, seeing as mine was positive- I was curious how it worked.

So I took it apart and googled.


The bottom strip:

The bottom strip indicates a positive or negative test- mine has a lovely blue line. It is a high sensitivity strip and will detect an early pregnancy.

The top strip:
The top strip has a much lower sensitivity. The bright blue line on the right hand side is the control line. Can you see a faint line just by my nail? That is the HCG line. It is faint because though I am pregnant, it only detects HCG relevant to a woman 2-3 weeks past ovulation (or 4-5 weeks pregnant).

So the top strip senses how far along you are.


Clever?

The low sensitivity strip must be extra faint for a 1-2 week pregnancy.
 

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