I am cd15 I took an opk test on day 13 and 15. I have an 33day cycle so when I took the opk on cd13 the test line was darker then the test line on cd15, but not darker then the referance line. So did I o and miss it. There is no test for 14 because I wasn't suppose to test till day 15 I read the direction to the test afert I used the 1st test.
on Apr. 7, 2012 at 3:48 PM