How to read the results of the four eugenics items. The four eugenics items refer to the four examination items in early newborn screening. They are mainly used to detect the presence of phenylketonuria, congenital hypothyroidism, congenital deafness and atrial fibrillation in newborns. Diseases such as hereditary diseases and congenital heart disease. So, what do you think of the four results of eugenics? The following is a detailed explanation from four aspects. 1. What are the four eugenics? First, you need to understand what the four eugenics are. The four eugenics tests are four tests conducted to early screen newborns for genetic or congenital diseases.