Abnormal placental adhesive disorders are associated to profuse or catastrophic bleeding during delivery. Their incidence has grown in the last few decades according to the rise in Cesarean rates, and they are an important cause of maternal morbidity and mortality worldwide. This book gathers the latest knowledge in relation with the etiology, diagnosis, treatment, and also the authors personal experience in more than 500 cases. All aspects of this condition have been analyzed to provide an accurate management.