1. Preparation for pregnancy The first step in pregnancy and child rearing is to prepare for pregnancy. Before deciding to have a child, couples should do a physical examination in advance to ensure that they are in good health. In addition, you also need to pay attention to your diet and living habits, and maintain a good mentality and positive attitude towards life. 2. Early pregnancy Early pregnancy is the most critical period for fetal development. At this time, mothers need to pay attention to their diet and living habits, and undergo prenatal check-ups in a timely manner. At the same time, it is also necessary to pay attention to the tire quality during this stage.