Łukasz Sroka, MD, PhD
Gynecologist & Obstetrician at Invimed , Invimed
Category:
Donor Eggs, IVF Abroad
At InviMed all retrieved donated oocytes are frozen. Again, the arguments surrounding fresh versus frozen are rife and, even though Dr Sroka advises better results are usually obtained from fresh oocytes, he believes that frozen eggs are best for donor egg IVF.Once the eggs are collected, they are immediately frozen and put into quarantine. Even though donors have been checked and tested numerous times before the treatment, it’s not impossible for a fresh, new infection to develop. Freezing and then quarantining the oocytes ensures the eggs are re-checked, meaning an extra safety measure is in place. The use of frozen eggs also creates more flexibility and reduces the risk of a missed cycle. Synchronising donors and recipients for a fresh transfer is incredibly difficult to accomplish. Extra time may be needed for the donor stimulation or for thickening the recipient’s endometrium, trying to prepare both women simultaneously will not always be successful. Frozen eggs provide a viable workaround option allowing the transfer to go ahead as scheduled. Donor egg freezing also allows for larger donor pools and therefore lower waiting times. In most countries, it is a legal obligation to match donor and recipient phenotypes (hair and eye colour, build and ethnicity) in order to go ahead with egg donation IVF. Donors can also become ill or resign, which can delay fresh cycles, however, when using frozen eggs, the donor has already been found and the oocytes have already been retrieved; they are ready to be used immediately. Clients looking into the various egg and/or embryo guarantee schemes should also think around future family planning. Whilst obtaining a decent number of eggs could help to achieve a good number of viable embryos; it’s not a given. Sperm quality can be low, fertility rates differ, and embryonic development is unique for each situation. A guaranteed amount of embryos allows couples the potential to, more easily, create genetic siblings from any subsequent frozen embryo transfers. Whilst harvesting a good amount of eggs is obviously intrinsic to the IVF process, Dr Sroka once again stresses the importance of quality over quantity. Whilst schemes which offer an assured number of eggs may be promising, they can be misleading as it’s ultimately embryos, not oocytes, which result in a successful pregnancy and live birth outcomes.
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Contact details: The European Fertility Society C.I.C., 2 Lambseth Street, Eye, England, IP23 7AGNecessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information.
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