Will embryo quality decrease after freezing? Dr. Nathan Zhang from IVF USA discusses IVF in the United States and Thailand.

2024-04-17 19:19:05，visits： 122

Regarding embryo cryopreservation technology, people often have some questions: Will the quality of embryos decrease after freezing? This question concerns many people who hope to achieve their reproductive dreams through embryo cryopreservation technology. Let's explore this issue.

Firstly, we need to understand the process of embryo cryopreservation. Embryo cryopreservation involves using special techniques to freeze embryos for future implantation. This process includes two methods: slow freezing and vitrification. In slow freezing, embryos are treated and cooled to very low temperatures through a computer-controlled freezing program, ultimately stored in liquid nitrogen. Vitrification uses high concentrations of cryoprotectants to rapidly cool and form stable glass-like solids, also stored in liquid nitrogen.

As for the storage time of embryos, experts recommend using frozen embryos within 5 years, with a maximum of 10 years. Currently, the longest record of successful birth from frozen embryos is 25 years.

So, will the quality of embryos decrease after freezing? From a scientific perspective, frozen embryos are in a state of near dormancy at extremely low temperatures and do not age significantly, thus the storage time has little impact on their developmental potential and health. Clinical studies over many years have shown minimal damage to thawed embryos. As long as the embryos are successfully revived and can be implanted into the female uterus normally, with all indicators testing normal, babies born are generally healthy.

However, the thawing process requires high demands on medical personnel. Laboratory and embryologist staff need to have extensive experience to ensure that the thawing process does not damage embryo cells, thereby improving the success rate of transplantation.

Therefore, if you have a need for frozen embryos, it is recommended to choose a professional and reputable institution for the procedure. If conditions allow, selecting some top-assisted reproduction clinics will be more reliable.

IVF USA is committed to providing you with professional assisted reproduction services. Our team consists of experienced doctors and professional technicians who will provide you with the highest quality treatment plans and personalized services. If you have any questions or needs regarding embryo cryopreservation technology or other assisted reproduction technologies, please feel free to contact us. We are dedicated to serving you and helping you achieve your reproductive dreams.