Detailed explanation of fetal development at 20 days of pregnancy. With the changes in the concept of marriage and family, more and more women are choosing to marry later and have children later. However, increasing age also brings many problems, especially in pregnancy preparation and pregnancy care, which require more meticulous care. and earnest. At the 20th day of pregnancy, the development of the fetus is still in its early stages. Below we will introduce you to the fetal development and care knowledge at this stage from four aspects.