Implantation of the embryo in the cesarean section scar is a rare form of ectopic pregnancy. Such condition poses significant threat to a woman’s health and live, therefore, requires accurate diagnosis and rapid implementation of treatment. The following article presents the case of a patient with a pregnancy located in the scar after cesarean section treated in the Department of Gynecology and Obstetrics, Medical University of Silesia in Katowice, Faculty of Medicine in Katowice.