Help me interpret this OPK please….

posted 6 months ago in TTC
Post # 2
262 posts
Helper bee
  • Wedding: August 2013

Hi! Opks are tricky. They are positive when the test line is darker than the control. So you will have a second line most of the time but only when it’s super dark is it positive. There is actually an app called “Femometer” that will interpret for you! 

Post # 3
990 posts
Busy bee
  • Wedding: August 2016

OPKs do take some getting used to! As PP mentioned they are positive when they are at least as dark or darker than the control. Here is a picture of a positive I got a few days ago if thats helpful. Good luck!

Post # 4
1412 posts
Bumble bee
  • Wedding: August 2018 - Location

That’s negative. 

Your test line should be as dark as or darker than the control line. 

I started by using the premom app to interpret them – you take photos, it lines them up, and interprets which day was your peak reading. 

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