Please help me.

Patient: Hi i forgot to mention in previous email itake the birth control pill, could that be a cause for my soreness a bit in right boob, sore if i press or touch it, im not in agony,. GEts sore right before my period, and should i worry my right boob is bothering me a bit, I dont want to press or touch my right boob to get it sore. please help. should i worry,