Hey yall I've been TTC for a year and a half. I had an iud for 4.5 years before my husband and i started trying. I have used OPK on and off the whole time TTC to figure out when i ovulate. I have NEVER gotten a "peak fertility" result on a OPK. I use pregmate and clearblue brands and follow the directions to the letter. I have tested everyday of my cycle starting the day or 2 after aunt flo. Has anyone ever experienced this? What did you do? Suggestions?