Короткий опис(реферат):
Modern medicine is a system of scientific knowledge and practical activities aimed at preserving and strengthening human health, prevention and treatment of diseases. Timely detection of abnormal fetuses with the help of modern methods of prenatal diagnosis makes it possible to almost triple the population frequency of birth defects and their specific weight in the structure of prenatal mortality, child disability and serious diseases, which is of great medico-biological and socio-economic importance.