thread: Is there a difference between opk dye and hpt dye?

  1. #1
    Registered User

    Jan 2005
    74

    Is there a difference between opk dye and hpt dye?

    Is the little strip of dye on an opk the exact same dye that's used in a hpt?

    Edited to ask: is it the strip or the dye that detects the hcg/LH?
    Last edited by Jessykasmum; February 18th, 2008 at 12:42 PM.