CD1 is when there is full red blood flow. I hope you have great success with this go round of Clomid. Do you have any fertilty issues that lead to being placed on Clomid? Well, best of luck. Cya on the forum again soon. Im on Youtube if you care to follow-
youtube.com/user/gamerwife09 or type in Clomid and find me in the recent upload lists.
Thank you good luck to u also:)
I was always told to count CD1 as the first day you see red blood. Hope this helps :) And Baby Dust sweetie!