Hello,
These can be the symptoms of a urinary tract infection. Soreness of breasts can be due to premenstrual syndrome and pregnancy being one of them.Other important causes are fibrocystic breast disease,ductal ectasia,mastitis(inflammation of breasts),galactoceles,benign and malignant pathologies of breasts,referred pain from liver or musculoskeletal system,arthritis of the ribs,costsochondritis and inflammation or sprain of pectoralis muscle.
Get your serum HCG levels checked for the status of pregnancy and a complete urine examination and urine culture done for any urinary tract infection.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.
See your doctor. If the kidneys are hurting, don't mess around waiting to care for it at home. This is a dangerous thing to do.