Hi!
Can someone please help? I finished my last tablet of clomid on Saturday (18th Feb).. I took two test opks on Sunday and Monday (only because prior to Norethisterone to induce a bleed, my opks had no test lines at all so wanted to check - long story as to why)
Anyway, I did another OPK about 20 mins ago, and it's a bit darker today... am I on the way to ovulation?! Or can OPK's be a bit shifty? 
Thanks