Egg Preservation
Sometimes a Legitimate Stopgap Measure

Egg Preservation
Sometimes a Legitimate Stopgap Measure

A Safety Net, Not a Panacea
Egg preservation (also known as social egg freezing) is the cryopreservation of unfertilized female eggs as a precaution in case a woman is unable to engage in family planning later in life. This is driven by the rapid decline in female fertility beginning at age 35 (and for many women, as early as age 30). We have also been offering this service in our laboratory since 2012, always following a detailed medical consultation.
The procedure corresponds to the first stage of in vitro fertilization, involving hormonal stimulation of the ovaries and retrieval through the vagina under light anesthesia. Under Swiss law, storage is limited to ten years. If the eggs are used later, they are thawed and fertilized with the sperm of the partner at that time as part of an IVF/ICSI procedure.
Above: The number of frozen eggs needed to achieve at least one live birth with a 70% or 80% probability increases significantly as a woman ages.
Egg freezing is by no means a panacea for the general population and should not be aggressively marketed, nor should it be promoted by certain employers who wish to retain their female workforce longer without offering them family-friendly career options. France and Scandinavia demonstrate that this is possible; however, the birth rate there is also declining in line with the global trend. Egg freezing can, however, be a legitimate stopgap solution for women aged 32–35 without a suitable male partner, especially if a relationship ended because the man was unwilling to commit to starting a family. I have always held this nuanced view, including on Swiss television’s evening news in 2014.
A completely different situation: the emergency freezing of eggs for young cancer patients during the short period between diagnosis and the start of chemotherapy, which could damage the ovaries. We naturally offer this service as well, and medical freezing is covered by health insurance.
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Medical content reviewed by Michael Singer, M.D. –