Successful blastocyst transfer is also known as successful implantation of the transferred fertilized egg. The performance of the transferred fertilized egg after successful implantation is not significantly different from that of the fertilized egg during normal intercourse: i. Most women do not have obvious conscious symptoms during the process of fertilization; ii. Individual women may experience bleeding from implantation due to a transient decrease in estrogen levels, which may appear as a light pink or brown bloody discharge lasting for 3-5 days; iii, Individual women are sensitive to chorionic gonadotropin and may experience early pregnancy symptoms such as nausea, vomiting, loss of appetite, dizziness, lethargy and fatigue. During this time period, the transplanted person had better pay attention to prohibit sexual life, take sufficient rest, do not exert, relax and avoid excessive stress.