Hi,
I am 44 years old in perimenopause (I think). My menstrual cycles used to be 28 days spot on, but now, they are around 23 days in length. Every month right after ovulation, I have tender breasts, usually on both sides right up until the first or second day of my next cycle, which I understand to be a normal PMS symptom. However, last month, I didn't have this usual breast tenderness. Instead, only my right breast has been tender on the outer side just when I wake up in the morning.