5m pp - discharge changes?

I’m 5m pp, I’ve only had one period so far since having my baby but I do EBF.

Since having her, my CM changes with what I assume would be ovulation but I don’t get a period to go with it?

Every 3-5 weeks (ish) I experience very thick (almost mucus plug like) CM. Sorry I know this is TMI but some pieces can be the size of grapes or apricots. It soaks my underwear and I can feel it if I’m walking etc, I just feel gross 🤢

I’ve recently had a Pap smear which came back fine and I don’t have any infections or anything. The CM itself is clear/white and odourless anyway so I know it’s normal, there’s just sooo much of it and this never happened before I had my baby.

Has this happened to anyone else and was it short lived?