It is important to understand what Down’s syndrome screening is during pregnancy, as the yearly increase in defective children can be terminated from pregnancy. What does Down’s syndrome screening look for? What is the purpose of the results? It is important to know. It is important to know in advance whether the fetus is healthy or not because the health of the fetus is a matter of family harmony. The first thing you need to know is what the Down’s syndrome screening means. If a child with a high risk of Down’s syndrome is detected during pregnancy, the pregnancy can be terminated during pregnancy to prevent the birth of a defective child. What is Down’s syndrome screening and the further understanding of the pregnancy and the fetus, we hope that you will prepare your pregnancy before conception and that preconception screening will prevent the birth of defective babies. The health of each baby is fundamental to the happiness of each family, and equally an unhealthy baby can bring a significant and painful cost to each family.