Hello everyone. I have sex on 17 feb and now suffering from breast stomach and back pain. but i also have very light period about 1 to 2 days in 8march,7april and 11may. I took 10 test which done every week after feeling symptoms and all comes negative. I am really wondered whats wrong with me please give me suggetion what i do in this problem.did any one suffer from this..waiting for your response