I'm on cd14 of a 26-28 day cycle. I haven't had test done yet, but last month I started temping using Fertility Friend and using opks. I have no idea when I ov precisely as opk say cd14/15 and FF says cd18. I figure if I do this for 6 months then I have all the info to take to the doc's if I need to have tests. Hopefully it won't come that.