It takes a few days to transfer embryos after IVF egg retrieval
Jan 04, 2022
Regarding the question of how long the egg can be transplanted, it depends on the actual condition of the patient's own body. In other words, the transplantation time of IVF is determined by the physical condition. Generally speaking, a normal cycle takes about 25 to 28 days (from the formal visit to the doctor to the pregnancy test). If uncertain factors occur, there will be a big difference in time. Therefore, for families who are preparing to do it, they must understand this aspect in order to better deal with possible transplantation problems. .
In China, the second-generation IVF technology and 3-day embryo transfer are commonly used in China. Therefore, in the case of periodic transplantation, the transplantation can often be carried out on the fourth day after the egg retrieval. In Thailand, the third generation and blastocyst cultivation are adopted, which is to carry out 2 days of continuous cultivation on the basis of 3 days of embryo cultivation. However, due to the different developmental levels of embryos, it may take the 6th day in clinical practice. Embryo cultivation. Coupled with the genetic screening technology, it takes a long time for some human embryos to screen and find the results, so frozen embryos have to be preserved.
Similarly, for IVF transplants, there are differences in the transplantation time between current-cycle transplants and non-cycle transplants. For example, in the case of periodic transplantation, embryo transfer can be performed 5-6 days after egg retrieval. For non-periodic transplantation, whether it is due to the unqualified endometrial thickness, or the presence of uterine fibroids, polyps Waiting for the reasons, or the genetic screening results are not available, etc., you can only choose to freeze the embryos, and when to transplant after freezing, it depends on the patient's physical condition.
In test-tube babies, the general embryo gene screening results may be about 15 days or even longer, but basically, there are more cases of transplanting frozen embryos after about 3 months. In addition, there are more cases in which the result of genetic screening of clinical factors is long, which makes it impossible to transplant as a cycle. As for the endometrium, uterine fibroids, polyps, and families who want to do IVF, we recommend that the patient should be treated first before preparing for transplantation.
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