Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Gestational Trophoblastic Disease ?
    ### Response:
    Signs of GTD include abnormal vaginal bleeding and a uterus that is larger than normal. These and other signs and symptoms may be caused by gestational trophoblastic disease or by other conditions. Check with your doctor if you have any of the following:         -  Vaginal bleeding not related to menstruation.
    