Abnormal Placentation and Umbilical Cord Insertion.

In the last decades, abnormal placentation and umbilical cord insertion have become an increasingly relevant and feared pathology in obstetrics with increased morbidity and mortality for mother and child. In addition to several increasingly common risk factors, such as assisted reproduction, the main reason for the increased occurrence is the greater frequency of Cesarean sections. Correct diagnosis, which is primarily determined sonographically, is essential for targeted perinatal management. In particular, the diagnostic criteria and current management recommendations are described in the following article.