Ovulated late??

My last “normal” cycle was on November 2-6. I say “normal” because at the beginning of December I started spotting light pinkish brown (only when I wiped). It lasted for 3 days with half a day using a tampon because I assumed it was my cycle. But it stopped so suddenly which is unlike my usual cycles (they’ve been spot on for years). I took a test (blue dye) which showed positive but a faint blue line appeared a couple hours later (invalid I’m assuming).

Now I’m wondering if I ovulated a week later than normal (I’m thinking last week of November) because my FitBit shows my resting heart rate and it usually jumps to around 76-80BPM when I ovulate. It did this on November 24-25 and then dipped down again to low 70s which is my normal range.

According to my Glow chart, we BD on November 23, and I know sperm can live up to 5 days.

I’ve been feeling really sluggish and wanting to sleep a lot more (especially in the middle of the day). I’ve been having slight cramping and some nausea here and there.

Do you think it’s worth it to test again with a pink dye test at this point?