Help with OPK. Positive or Negative?

posted 2 years ago in TTC
Post # 2
912 posts
Busy bee
  • Wedding: December 2016

CD14 is positive CD15 is negative but just barely; I would guess O was in the afternoon/evening of CD14 and you still had a high amount of LH in your system that morning.


Eta: it doesn’t hurt to have sex again today to bolster your odds even with a negative opk

Post # 3
752 posts
Busy bee
  • Wedding: June 2015 - Backyard

I don’t think CD 15 is positive, it appears there’s more dye in the control line than the test line. You can have a positive but still not O for 24-36 hrs, the OPK can even be negative on the day you O. A positive opk just means you will likely O in the next 12-36 hrs, no matter if your LH surge is short or not.

I guess what I’m saying is, not everyone O’s on the day of their positive OPK (but some do, myself included). A negative followed by a positive doesn’t mean you O’d on the positive day, it has to still be confirmed with 3 temps above the coverline. 

Post # 4
1262 posts
Bumble bee

Cd14 is positive cd15 is negative!

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