On the ninth day of frozen embryo transfer or white plate, you can wait for five days and then use the pregnancy test paper to test again, or draw blood to check the HCG level in order to clarify whether you are pregnant or not. On the ninth day of frozen embryo transfer, if the transfer is successful, at this time, the HCG level in the woman’s blood is low, and the HCG in the urine is even lower, the use of pregnancy test paper may not be able to detect whether the pregnancy, so there is a white plate on the ninth day. It is generally recommended that women should take a urine pregnancy test 12-14 days after the transplant, so women can use the pregnancy test again after the fifth day to test, at this time, the level of HCG in the urine has increased, and the accuracy of the test to determine whether or not the pregnancy is improved; in addition, you can also go to the hospital to draw blood to test the level of blood HCG, which is more accurate. During the transplantation period, pay attention to rest, at the same time should be relaxed, avoid tension, anxiety, if a woman has a frozen embryo transplantation on the ninth day of abdominal pain and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, symptomatic treatment.