There are different styles of pregnancy belt devices that are designed to offer more back support and some that offer more abdominal support.  Many are designed to offer both in varying levels of support.  There is also clothing made with built in support wraps.  Pregnancy Support belts also range in a wide variety of strength levels- light, moderate, and heavy support designed accordingly on your personal needs.  Depending on the intensity of your symptoms, there is a pregnancy belt designed for you!