Sore breasts 7 dpo

So I’m 7 days dpo and ttc for the past 6 months. I noticed that every month at approx 7 dpo my breasts start to hurt and stop immediately after AF has come... so my question or more like concern- today is 7 dpo and again I feel the stupid tender breasts so I expect that this month again AF will come, but has any of you had this usual PMS symptom every month and got a BFP or you felt different than your standard PMS symptoms?