Sore Nipples More Condition_symptoms Nipples Seem To Get More Sore As My Period Continues?

Nipples seem to get more sore as my period continues? - sore nipples more condition_symptoms

I began my time on Sunday (2 days in advance) and had some initial mild symptoms of a pregnancy before that. My nipples (which never pain during or before my time) seem more sensitive to the slightest touch of my time goes on. What could be the reason for all this? I have the pregnancy from me when my time has begun ...