Blastocyst is also known as blastocyst transplantation, the 8th day did not detect pregnancy, is a blood test pregnancy test may not be pregnant, but is not absolute, is the early pregnancy test paper pregnancy test will also have the possibility of pregnancy.
Blastocyst transfer on the 8th day to go to the hospital to draw blood HCG, generally can determine whether there is a pregnancy, the results of the blood test is not pregnant, blastocyst transplantation may fail, but it is not absolute, some women may have to be delayed for 2~3 days before they can be detected.
The 8th day of blastocyst transfer with pregnancy test paper, the test result may be false negative, the pregnancy time is relatively short, the concentration of human chorionic gonadotropin in the urine is not yet high, the test is not pregnant for the time being, and then re-test in another 5-7 days, the accuracy rate will be higher.
Women should not go for testing too early after blastocyst transfer, as the result of testing too early is not accurate, and not being able to test for pregnancy will also increase the psychological pressure and put people in a state of too much anxiety.
In addition, it is recommended to go to the hospital for pregnancy test after blastocyst transfer, which can improve the accuracy rate.