Every few years, egg freezing gets repackaged as the ultimate act of female self-determination. Tech companies offer it as a perk. Celebrities mention it in passing, as casually as booking a Pilates class. The reality is considerably less glossy and considerably more needle-heavy than the marketing suggests.

Egg freezing, properly called oocyte cryopreservation, involves stimulating your ovaries with injectable hormones over roughly ten to fourteen days, monitoring via multiple internal ultrasounds, then retrieving the eggs under sedation. You are not having surgery in any dramatic sense, but you are also not having a spa day. The injections happen daily, at home, administered by you or whoever you can guilt into helping. Bloating, mood swings, and a persistent low-grade sense of physical wrongness are standard. Ovarian hyperstimulation syndrome, where the ovaries overreact to the drugs, affects a small percentage of women severely enough to require hospitalisation. Most people get through it. Most people also describe it as significantly harder than they expected.

Cost in the UK runs roughly £3,500 to £6,000 per cycle, which does not include medication (add £500 to £1,500), annual storage fees (£125 to £350 a year depending on the clinic), and eventual thawing and transfer costs if you use the eggs (a further £2,000 to £4,000). The NHS funds egg freezing only in specific medical circumstances, chiefly before cancer treatment. Elective freezing is private, full stop. Some clinics offer finance plans. None of it is cheap.

The success rate question is where things get genuinely complicated, and where clinics often let themselves off the hook with carefully worded statistics. The figure that matters is not how many eggs were frozen, or even how many fertilised. It is how many resulted in a live birth. A 35-year-old freezing ten eggs has roughly a 30 to 40 per cent chance of one live birth from those eggs, according to data from the Human Fertilisation and Embryology Authority. Freeze fewer eggs, or freeze them later, and that figure drops sharply. Age at freezing is the single biggest variable. Freezing at 38 is not the same as freezing at 32, regardless of what a clinic’s headline numbers suggest.

Storage in the UK is currently capped at ten years for elective freezing under standard rules, though 2023 legislation extended this to 55 years for eggs frozen from that point forward, subject to consent renewals. If you froze eggs before that legislative change, you may need to check your specific position with your clinic rather than assume the new rules apply retrospectively.

The emotional weight is real and largely unaddressed in the polished brochures. You are making a decision that sits at the intersection of biology, money, grief, hope, and the specific exhaustion of doing something enormous while also going to work and pretending everything is fine. Women describe the two-week stimulation window as isolating. The egg retrieval itself is physically painful for some people despite sedation. And then there is the wait, which is not really a wait at all because nothing is resolved. You have bought an option, not an outcome. Many women find that harder to sit with than they anticipated.

One retrieval cycle often yields fewer eggs than hoped. Many consultants recommend two cycles to get a meaningful number in storage, which doubles the cost and the physical toll. A clinic that promises certainty at a consultation is a clinic worth scrutinising carefully. The honest version of this conversation includes the word “maybe” quite a lot.

If you are considering it, the HFEA’s website is the most useful starting point in the UK. It lists licensed clinics, publishes success rate data by clinic, and explains your legal rights around storage. Use it before you book a consultation, not after.