The lack of breast movement after the transplantation of fertilized eggs may be due to the transplantation time is too short or unsuccessful transplantation and other reasons. 1. Transplantation time is too short: the transplantation time may be relatively short, the fertilized egg may have just been successfully implanted or not implanted, the body’s hormone levels have not undergone significant changes, generally in the transplantation of the success of the 5-6 weeks or so, if the embryo is successfully implanted, there may be a breast will grow larger and softer, produce a slight tingling sensation, similar to the secondary development of the breast, may also appear chest swelling. 2. Unsuccessful transplantation: If the transplantation is unsuccessful and there is no pregnancy, the breasts will not react. In normal life, pay attention to a balanced diet, pay attention to rest, try to relax and avoid too much tension. Because everyone’s constitution is different, it is recommended to go to the hospital in time, and the final results of the examination shall prevail.