Spotting the first day of ovulation?

Like the title said.. is that normal? I’ve been reading a lot of posts from women saying they had what seemed to be a cold for weeks before they found out they were pregnant, and I’ve had an abnormally long “cold” going on. So of course I’m just sitting here like

Then today I went to the bathroom and I was spotting like EXTREMELY light but red/pinkish. This has never happened to me, ever lol.

My last period was kind of weird, one day kinda of heavy then a week of medium spotting everyday around lunch (only when I wiped) not enough to fill a tampon. My periods usually last 3-4 days and are heavy . What’s going on

BTW we’ve been TTC for 3 years now so.. it can hurt to take a test and get negatives all the time..