sore breasts on Day 16 of Cycle

I’ve been on birth control for about two years now and always take my pill at about the same time every day. For the past few days, my breasts have been feeling quite sore. I have white discharge which indicates ovulation so I was just wondering if sore breasts can be a symptom of ovulation or something else to worry about? I’ve had a few weird things happen since taking birth control (like random spotting some months) but never sore breasts at this stage in my cycle. Any thoughts?