Mommy Tummy is an interactive system that themed pregnancy and the user can experience pregnancy process. The user wearing a Mommy Tummy jacket can feel fetuss temperature, fetal activity and heart beat, also by rubbing the jacket communication with the fetus can experienced. As time goes by the jacket will change in weight and size simulating a fetuss growth over 10 months. And the moods and activity from the fetus will come in a natural manner as how a normal fetus develops. Fetus has a mood model. The mood is changed by communication like touching. When the user touches the jacket roughly, the fetus will be in lousy mood. When the user touches the jacket carefully, the fetus will be in good mood. This mood effects frequency of fetal activity, strength of heart beat and speeds of fetuss growth. In echocardiography, the user can watch the fetus developed.
