Abnormal placental adhesive disorders are associated to massive hemorrhage and high maternal morbidity and mortality. The main risk factor for abnormal invasive placentation is the repeated cesarean, although other factors were identified. There are specific techniques to provide a high confidence diagnosis. However, precise skills must be acquired to recognize detailed diagnostic signs, to avoid common technical mistakes, and also to know when, how and why it is necessary to use each of them. Presurgical study provides diagnosis, extension and compromise of neighboring structures such as...