Trivialization on the vitrification of oocytes

Articles have recently appeared on the Internet where it is spoken in relation to vitrification of oocytes without medical indication in terms like the following:

"Do not worry about fertility: vitrification of oocytes.”

Source: Comunidacdo de prensa (spanish)

Although the article clarifies that pregnancy is not recommended from a certain age, the idea transmitted is that this technique is almost a panacea for women who want to postpone their fertility.

Certainly the vitrification of oocytes is a technique that gives excellent results but has not eliminated the possibility that a woman can have reproductive dysfunction and not ensures a future pregnancy.

As the Working Group on Preservation of Fertility of the Spanish Fertility Society says: "
"According to current knowledge, the survival rate of cryopreserved oocytes is estimated at 90% and pregnancy rate after transfer of embryos generated from them 30-40%. However, the results can vary depending on the technique and the particular characteristics of each case. "
Source: Sefertilidad.com (spanish)

A good technique, yes. But not infallible.