There is no authoritative information on how many weeks of pregnancy forty days of IVF transplantation is equivalent to, probably equal to about 8 weeks of pregnancy. It is recommended that patients with IVF transplants take rest, improve their diets, and have regular rechecks. There is no clear clinical data stating that forty days of IVF transplantation is equivalent to the exact time of pregnancy, which is roughly equal to about 8 weeks of pregnancy. Because after IVF transplantation, generally within 24 hours after transplantation is counted as one day, and after 24 hours after transplantation is counted as the next day, patients can judge how many weeks of pregnancy forty days of IVF transplantation is equivalent to according to the specific time of transplantation. Patients who have had an IVF transplant should ensure adequate rest after the transplant, and should not engage in too much activity, stay up late or overwork. In addition, patients should consult the doctor on time for review after the transplant, which is conducive to the development of the fetus. If there are any uncomfortable symptoms after the IVF transplantation, patients should go to the hospital in time and follow the doctor’s instructions to deal with the treatment.