Confused by opks

[blakesmummy09]

Hi all in really confused by opks because ovia says I'm in my fertile window and I've been doing opks for the last 6 days and I'm not getting s second line at all on any of them to progress darker as o comes along

 

[Powell130]

If its your first month using Ovia it goes off a textbook cycle to start off then adjusts with your data entry

 

[blakesmummy09]

No it's my second now, it's all very confusing haha. I'm doing the opk every day to make sure I don't miss it at the moment as I know it's soon x