With that added information, it is probably unlikely you are pregnant.
It CAN be normal, as I said before, foryour breast t be sore, and for you to cramp, during your period.
Let your doctor know its happening. But other than that, don't be overly concerned. It's a normal side effect of PMS. Sometimes you get it sometimes you don't. Some women get it every time. Some never do.
Here, refresh yourself on the symptoms of PMS.
And good luck
Physical symptoms include:
Breast swelling and tenderness.
Bloating, water retention, weight gain.
Changes in bowel habits.
Acne.
Nipple discharge when nipples or breasts are pressed. (Any leakage that spontaneously happens when you aren't pressing on the nipple should be checked by a health professional.)
Food cravings, especially for sweet or salty foods.
Sleep pattern changes.
Fatigue, lack of energy.
Decreased sexual desire.
Pain. Common complaints include headaches or migraines, breast tenderness, aching muscles and joints, or cramps and low back pain prior to menstrual bleeding.
Behavioral symptoms include:
Aggression.
Withdrawal from family and friends.
Emotional and cognitive symptoms include:
Depression, sadness, hopelessness.
Anger, irritability.
Anxiety.
Mood swings.
Decreased alertness, inability to concentrate.
Premenstrual Syndrome (PMS) Symptoms: Physical and Emotional