| I think opks are tricky - never had a pos before today, and today I followed the instructions to a T. You have to not pee for at least 4 hours before testing and have little liquid intake in this time in order to make the concentration enough to detect the surge.
Before finding this out I just used to test whenever I thought I was going to ov, but never had a pos. I had the pos today on both internet cheapies and Clearblue test.
Good luck x |