On the 5th day after blastocyst transfer, there are usually no obvious clinical symptoms, but some women may have a small amount of light pink or brown bloody discharge. On the 5th day after the blastocyst transfer, the human chorionic gonadotropin in the blood has just started to rise or is still in the process of laying, and there are usually no obvious symptoms. At this time, if affected by various harmful factors, blastocyst transfer may fail. The transferee should pay attention to avoid the influence of various harmful factors in daily life, do not smoke, drink alcohol, do not stay up late, pay attention to maintain a happy mood, avoid mood swings and depression. Pay attention to prevent colds as much as possible and do not take drugs at will. Generally, early pregnancy reactions such as nausea, vomiting, weakness and drowsiness may occur only about 14-21 days after the transfer, so pay attention to rest, pay attention to diet and keep your mood relaxed.