My breasts feel kind of sore, but not uncomfortable. i have no symptoms of pregnancy but feel like i am. can stress cause this? (1 hpt neg.)

Sore breasts: Sore breast are common premenstrually. You did't say when your period is due. Exercise could be responsible. Stress-no.

Painful breasts: There are many possible causes for breast pain. For example, hormone level changes from menstruation or pregnancy often cause breast tenderness. Some amount of swelling and tenderness just before your period is normal. Besides, fibrocystic breast changes are a common cause of breast pain. Fibrocystic breast tissue contains lumps that tend to be more tender just before your menstrual period.