Aunt refers to menstruation; here blank slate refers to negative early pregnancy test result. Negative pregnancy test paper result on the twelfth day of transplantation, a strong sense of menstruation, you can wait for a period of time to do the test again. Negative pregnancy test paper result on the twelfth day of transplantation generally refers to the result that the pregnancy test stick test is still negative on the twelfth day after the IVF transplantation. On the twelfth day of the transplant, even if conception is successful, it is normal for the pregnancy test to give a negative result because the time is still very short. Generally after the IVF transplantation, in order to increase the chances of conception, often routinely use fertility preservation drugs, after the use of fertility preservation drugs, there is often a very obvious feeling of menstruation, which is also a normal reaction. Patients can take a pregnancy test after a period of time or go to the hospital for a blood test for human chorionic gonadotropin levels. A blood test can give an earlier result of whether conception has been successful or not. During this period of time, you should pay attention to more rest, keep your mood relaxed, eat more fresh vegetables and fruits, and avoid sexual intercourse.