Bleeding during pregnancy does not necessarily mean anything is wrong with your baby, however, any bleeding should be discussed with your doctor immediately just to make sure.
It might be a good idea to go to the doctor, because it is not good to bleed while you are pregnant. Some women have light spotting, but moderate or heavy bleeding is bad and it could mean you are having a miscarriage.
If you have any bleeding during pregnancy you should contact your doctor at once. Many things could be going that will need to be evaluated by a medical professional.