Tmi but is this normal

Love

I gave birth back in September and I breastfeed/ pump & formula/bottle feed. I had a csection and bled for about 3weeks then stopped then again at 6w pp for 2 or 3 days then stopped then again 8w OP for 2-5days then stopped and it just seems like every other week I'm bleeding for 2-5 days always light never heavy. Not sure what's going on and my dr appt is in feb. Has this happened with anyone else? Is it my body trying to start a period but also realizing I'm breastfeeding? I'm just so confused because it's new to me. This didn't happen my 1st pregnancy but then again I didn't breastfeed at all