For the third generation of IVF families in Thailand, they attach great importance to transplantation, because transplantation is the last step of the third generation of IVF, and everyone wants to succeed at once, so we must understand several ways of IVF transplantation, and only after understanding can we choose the most suitable transplantation method for ourselves, so as to improve the success rate. In general, IVF transplantation is mainly divided into two types: fresh embryo transplantation and frozen embryo transplantation. Today, DHC thailand will explain it in detail for you.
Fresh embryos: Fresh embryos are fresh embryos, which are directly transferred after the embryos are cultured to three days of embryos or five days of blastocysts. It generally refers to the embryo that is cultured for three days, when the embryo develops to 6-14 cells, which is eligible for transfer. Domestic IVF technology to help fertility, generally choose the third day of the embryo for transplantation.
Frozen embryos: As the name suggests, frozen embryos are divided into cleavage embryos or blastocysts on the third day. Generally, on the day of the transfer, patients with uterus or other conditions that are not suitable will choose to freeze the embryos first and wait for the body to adjust before transferring. Before the transfer of frozen embryos, it is necessary to go through the process of thawing and recovery, and the current freezing embryo technology is relatively mature, and the embryos after thawing and recovery will basically not be damaged.
The third generation of IVF transplants are all frozen embryos, and they are blastocysts in frozen embryos. Because it is in the third generation of test tubes, it is necessary to screen and diagnose before transplantation, the blastocyst will be examined for related genetics, screening for chromosomal abnormalities or genetic diseases, etc., this process takes about a week, and at this time the endometrial tolerance has exceeded the transfer time, so there is no way to choose fresh embryos for transplantation, only the fresh embryo can be frozen, and then transplanted at the next endometrial transformation.
Three ways of IVF transplantation
1. Fresh embryo transplantation
IVF fresh embryo transfer refers to the transfer during the egg retrieval cycle, the embryos have not been frozen, and they have been grown in an environment of about 37 ° C. However, due to the patient's previous expulsion, the body's lining and hormone conditions will be affected, in order to carry out fresh embryo transplantation, generally before transplantation, the body should be examined, the blood draw results are up to standard, the uterine environment is good, the thickness of the intima is normal, and there is no ascites and other conditions before fresh embryo transplantation.
2. Blastocyst transplantation
Blastocyst transfer refers to the continuation of the embryo on day 3 to 5-6 days, and the embryo will develop into a blastocyst stage embryo containing 100 cells, and the transfer of such embryos is called blastocyst transfer. Blastocyst culture conditions are high, must require the patient's embryo quantity and quality is good, but also require hospital experts excellent technical level, not all embryos can be cultivated to the blastocyst stage, therefore, invisibly a screening process for embryos, improve the quality of embryos.
3. Frozen embryo transplantation
Frozen embryo transfer refers to the loading of embryos and cryolyte into cryovials, stored in liquid nitrogen at -196 °C, and thawed and resuscitated at a suitable time for the mother before implantation into the uterine cavity. Frozen embryos can be cleft embryos frozen for three days, or blastocysts for five days. The third generation of IVF transplantation are frozen blastocysts, the chance of successful transfer of blastocysts is generally higher than the success of early embryo transfer, of course, in the cultivation of blastocysts, if the physical condition is better, it is possible to breed multiple blastocysts.
In the process of doing three generations of IVF, the transplant time is generally relatively short, it only takes ten minutes to do it, after the completion of ovulation induction, after the transplant, basically go home and wait for the pregnancy test.
For now, in the same implantation environment, under the same operating conditions, the success rate of fresh embryos, frozen embryos and blastocysts is in order of blastocysts, fresh embryos, and frozen embryos. DHC Thailand reminds that because each patient's condition is different, there is no need to be too persistent in the IVF treatment, and it should be based on their own condition and the doctor's advice to seize the time to choose the most suitable IVF method for treatment.