OPK opinions ?

I tried posting this in the opk group and no one commented, so I will try here ! I had my IUD removed early august and still have not had a period other than my withdrawal bleed due to still nursing my 11 month old son so I have been taking OPKS in hopes to catch the first egg and still haven’t ! Took this test around 12PM today , and it is by far the darkest I have ever gotten ! (Although I have gotten pretty dark tests before ,not this dark) anyways , enough rambling , what are your ladies’ thoughts on this test ? Again I have no period so I don’t know my cycle day or where I’m at on the charts at all. I have had really sore boobs though this past week and that’s a first