Normally, it takes about a week for a fertilized egg to come to term. The normal site of egg fertilization is the fallopian tube, where the sperm and egg combine to form a fertilized egg. The fertilized egg slowly moves through the fallopian tube to the uterine cavity, where it will begin to implant when it finds a suitable site in the uterine cavity, a process that takes about a week. This process takes about one week. Since the fertilized egg’s implantation in the uterine cavity is the standard for normal conception, the HCG in the blood will increase significantly after implantation, indicating the beginning of fetal development. In addition, women should avoid intercourse, heavy physical labor and strenuous exercise in the early stage of pregnancy, pay attention to adequate rest, balanced nutrition, timely and appropriate supplementation of folic acid, more fresh fruits and vegetables; at the same time, do not overwork, stay away from smoking and alcohol, only healthy diet and living habits can help the fetus healthy and normal development.