(Closed) What time of day to use OPK?

posted 4 years ago in TTC
Post # 2
703 posts
Busy bee
  • Wedding: December 2014

I usually test between 2-6 in the late afternoon/early evening. If I am really close to my O date, then I test 2x a day. Try it midday/afternoon and see if you get anything. Good luck!

Post # 3
9823 posts
Buzzing Beekeeper
  • Wedding: September 2013

I always tested with FMU and got positives.  I could test with either FMU or SMU.  My urine was too diluted for afternoon or evenings, so I got negatives during the afternoon even if I got a + that morning and a + the next morning.  So eventually I quit and only did 1x a day with FMU.  I would suggest first thing in the morning and then in the afternoon.  Eventually you can find the time that works best, but you wouldn’t want to miss something because you were only testing 1x a day.

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