Talk to Gynecologist on Ovulation Prediction

Hi, i was on birth control for 7 months till 24th march . After that obviously my cycle is irregular , after wdrawal bleeding (4days after stopping yaz) i had bleeding for -1day after a week.. couldnt get natural period as i had slightly rise prolactin 47.8,i used primolut n to induce period (recomended by a dr) This was the back ground , so today according to period calender ,suppose to be my ovulation day, i did ovulation stick test, but m unable to understand it there is a very very fainted (colourless) second line