L. Markin, O. Medvjedjeva Danylo Halytsky Lviv National Medical University Introduction. Anomalies of the heart and major vessels of the fetus take the first place in the structure of mortality from the abnormalities developed in the early neonatal period, they occur with a frequency of 7 to 17 per 1000 newborns and cause about 40.0% Read More …