I have been using the Clearblue Digital ovulation tests for months and they aren't making any sense to me this month...and last for that matter. I started them on CD 4 twice a day and always got the blinking smiley indicating "high fertility"...from the beginning. Then around CD 6 I got the "peak" solid face....but the stick inside for sure did not look like a peak. The test line was a ton lighter. So I continued using the sticks and and they continued to blink until today (CD 18) I got another solid "peak" face. Again...the test line was a little darker but not at all the same color or darker. Yesterday the test was sort of close but not quite. Anybody have issues with these tests? Also, my cycle is always super irregular so my cycle days are always strange. I thought these tests were pretty legit?