The whole process of IVF

The whole process of IVF

The process of in vitro fertilization is still very complicated, and you need to pay attention to all the details in order to increase the chances of success. You should also have a detailed physical examination before doing the test tube. This is also very important and concerns your own health to avoid any dangerous situations during the operation. After the operation, you must also pay attention to care in your life and eat more nutritious foods.

Freezing eggs

Egg freezing technology mainly uses special freezing technology to freeze and store eggs in liquid nitrogen, and then thaw the eggs when needed. This technology is suitable for patients with premature ovarian failure and loss of ovarian function, as well as some working women who wish to delay childbirth.

For patients with premature ovarian failure or loss of ovarian function, their hope mainly comes from eggs donated by other patients. The donated eggs can be frozen through egg freezing technology and then retrieved and used when needed. In addition, some professional women want to delay childbearing, but are worried about the decline in egg quality as they age. In this case, they can use freezing technology to freeze and store their eggs when they are young and use them when they are older.

The difficulty of this technology lies in the fact that there is a large amount of fluid in the follicles, so ice crystals are easily formed during the freezing process, damaging the tissue structure of the follicles, resulting in a low success rate.

Freezing embryos

In vitro fertilization technology can surpass the human ovulation limit and produce multiple eggs and form multiple embryos within one menstrual cycle through drug ovulation. However, multiple embryo transfers not only do not increase the success rate, but increase the occurrence of multiple births and the risk of maternal and infant death and complications.

Therefore, countries around the world generally have corresponding regulations to limit the number of embryos implanted, and due to technological advances, the international trend of single embryo transplantation has begun to form. The current domestic regulations stipulate that the maximum number of embryos that can be transplanted is 3. For patients with more than 3 embryos, the extra high-quality embryos can be frozen in liquid nitrogen. If the transferred embryos are unsuccessful, the frozen embryos can be transferred in the next treatment cycle. The success rate of frozen embryos is generally 10% lower than the success rate of fresh IVF cycles.

The world's first frozen embryo test-tube baby was born in Australia's Monash IVF. Currently, almost all centers in the country have mastered the technology of freezing embryos.

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