After the transplantation should observe the changes of progesterone, 6 days after the transplantation of progesterone in 20ng/ml or more is normal, with the development of the embryo progesterone will be higher and higher, there is a gradual increase in the mid-pregnancy progesterone level will reach a medium level and continue until delivery. The success rate of IVF transplantation is low, about 30%, when the progesterone level is too low, it must be supplemented in time, so as to avoid transplantation failure, there are a lot of precautions after the transplantation, you should rest for 48 hours, as far as possible, do not have strenuous activities and keep enough sleep. If there are symptoms of abdominal pain, abdominal distension, vaginal bleeding, must seek medical treatment, because IVF line super ovulation, there is a possibility of ovarian hyperstimulation syndrome after transplantation, the patient needs to closely observe their own signs of change, can be supplemented with folic acid, multivitamins under the guidance of the doctor, to ensure the normal development of the embryo to reduce the rate of malformation.