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Initially, egg freezing was considered an experimental procedure primarily for individuals at risk of losing fertility, such as women undergoing cancer treatment. The process mirrors egg donation. However, in recent years, it has been promoted as a strategic choice for career-focused women or those delaying partnership. (For more on the controversial marketing, check out Jezebel.)
Deciding to freeze your eggs is just the first step; the timing is crucial. A recent study in Fertility and Sterility reveals that many who opted for egg freezing faced lower pregnancy success rates, often due to insufficient eggs frozen or delayed action.
The likelihood of success increases significantly if you proceed before turning 38.
A recent study involving 543 participants revealed that the highest success rates were among individuals who froze their eggs before turning 38 and thawed a minimum of 20 eggs when attempting pregnancy.
(Achieving 20 eggs often requires multiple egg-retrieval cycles, each costing approximately $10,000, as reported by the New York Times.)
However, freezing eggs at a younger age doesn’t ensure a successful birth. Even the most successful group in the study had only a 51% live birth rate, with some requiring multiple transfer cycles. Those who froze eggs at an older age or used fewer eggs experienced lower success rates, with the overall success rate across all ages being just 39%.
A prior study approached the topic differently, factoring in success rate estimates, the age of the eggs at use (longer storage reduces success), and the likelihood of using the frozen eggs. It concluded that freezing eggs between ages 30-34 offers the best chance of having a baby, assuming the eggs will be used.
The study also found that, compared to those who don’t freeze eggs, individuals who do have a slightly extended window. Age 37 is the most cost-effective time for freezing, as success rates remain high enough to justify the procedure. If you reach 37 without having a baby, egg freezing may be a viable option. (Another possibility is considering egg freezing at 32 but conceiving naturally later.)
These studies indicate that freezing your eggs before your late thirties still offers favorable odds. However, egg freezing doesn’t ensure a successful pregnancy, and it’s essential to discuss potential risks and other factors with your healthcare provider.
