Freezing & preserving
Fertility preservation for medical reasons
Also called: Before cancer treatment, surgery or gender-affirming care
Freezing eggs, sperm, embryos or ovarian tissue before treatment that could affect fertility – such as chemotherapy, radiotherapy or some surgery.
Can start within days
Often NHS-funded
Usually funded for medical reasons
Who it's for
- People about to start cancer treatment
- People with conditions likely to cause early menopause
- Trans and non-binary people before hormones or surgery
- Members of the armed forces before deployment
Key facts
- NICE says referral should be expedited – speed matters before treatment starts.
- Usually NHS-funded for medical reasons, depending on where you live.
- Options include egg, sperm, embryo and ovarian tissue freezing.
- Storage-only centres (often in hospitals) freeze sperm for people with cancer.
What happens
- 1
Urgent referral
Ask your oncologist or GP for urgent referral to a fertility unit.
- 2
Fast-track cycle
Egg or embryo freezing can often be started at any point in your cycle ('random start') to save time.
- 3
Freezing and storage
Material is frozen and stored, with consent renewed every 10 years (up to 55 years).
How long it takes: Egg freezing takes around 2 weeks; sperm freezing can be done in a day.
Success rates
- Depends on age and what's frozen. Your clinic should give you personalised information.
Each clinic's published rates – compared with the UK average – are on its profile in the clinic finder.
Costs
Often NHS-funded. Privately, see egg and sperm freezing prices.
| What | Price | Clinic |
|---|---|---|
| Sperm freezing incl. 1 year storage | £400–£730 | ARGC, Herts & Essex, TFP |
NHS funding
- Fertility preservation for medical reasons is commonly NHS-funded, but criteria (e.g. age, children) vary by area.
Risks and side effects
- Stimulation may need adjusting for hormone-sensitive cancers – your team will advise.
Sources
Prices are examples from clinics' published price lists, checked November 2026. They change – always get a written quote.