OPK ( please read description )

SL 🌿

So I’m sure this is 99% positive. This was cycle day 22 ( 29th October ) so I’m 7dpo. My cycles are usually between 34 and 44 long. Do you think this is early to ovulate? My dr predicted when I was on my period ( 8th October ) that I would ovulate around cycle day 34 this month. My OPK is stark white today. Wouldn’t there be a slight line to build up to for this Thursday on my predicted ovulation day from the dr????? As my OPK has now gone stark white is BDing pointless? HELP 🤞🏻🙈