what's going on with my ovulation tests

Rhiannon
So I have literally just come off the rigevideon birth control pill last month - 
I had a cervical ectropion procedure done two days Before what I thought was my withdrawal period.
I know I'm only new to glow and have tried tracking my ovulation - but this week is meant to be my ovulation week and all tests are negative - I meant they all have some faint line but is this due to the fact I have LH in my body already or because my ovulation peak is near or because I am not ovulating at all this early after coming off birth control ? 
Some advice would be appreciated :( 
Thanks