A total of 4 newborns (Q17.0 Accessory auricle-2, Q21.1 Atrial septal-1, Q21.0 Ventricular septal defect-1) in the PPOS protocol and 3 newborns (Q17.0 Accessory auricle-1, Q21.1 Atrial septal-1, Q21.0 Ventricular septal defect-1) in the GnRH antagonist protocol qualified as having malformations according to the International Classification of Diseases. Here, GNRH1 is linked to ventricular septal defect.