Library
Sperm freezing guides
Everything we publish is written from regulator guidance, peer-reviewed research and real price lists, with sources linked. Start with the basics, or jump to your situation.
The basics
How Sperm Freezing Works: The Process Step by Step
How the sperm freezing process works, step by step: screening, abstinence, semen analysis, cryoprotectant, slow freezing to −196 °C, storage and thawing.
25 Questions to Ask Before You Freeze Your Sperm
The questions to ask any clinic, sperm bank or mail-in kit company about licensing, vials, post-thaw testing, storage fees, consent and moving samples later, and why each one matters.
Is Sperm Freezing Worth It? A Decision Guide by Reason, Age and Budget
When sperm freezing is clearly worth it, when it depends, and when it usually is not, using guidelines, cost-effectiveness research and real data on how often stored sperm gets used.
How Many Sperm Samples Should You Freeze?
Clinics usually recommend two or three sperm samples, at least 48 hours apart. How many vials that gives you, how many IUI or IVF attempts it supports, and what it does to cost.
Costs and paying for it
Is Sperm Freezing Covered by Insurance? US State Laws, the NHS and Public Funding Worldwide
Who pays for sperm freezing: the 22 US states with fertility preservation laws, the DoD reimbursement program, NHS funding, and public coverage in Canada, Australia and Europe.
Sperm Freezing on the NHS: Who Qualifies, How Long It Is Funded, and Private UK Prices
When the NHS pays for sperm freezing, how long storage is funded, what happens after, private UK prices from £300, and the HFEA rules on storage and consent.
Sperm Storage Fees Compared: Annual and Multi-Year Prices at Banks, Clinics and Kits
Storage is the biggest long-term cost of sperm freezing. Published annual and multi-year storage fees from sperm banks, clinics and mail-in kits in 10 countries, and how billing units change the total.
Your situation
Sperm Banking Before Chemotherapy or Radiotherapy: Timing, Cost and Funding
Sperm freezing before chemo or radiotherapy: why guidelines recommend banking before the first dose, how fast it can be done, what sperm banking costs cancer patients and who pays.
Freezing Sperm Before a Vasectomy: Cost, Odds of Using It, and Whether It Is Worth It
Freezing sperm before vasectomy: 10-year costs in the US and UK, how few men later seek a reversal, the 2025 cost-effectiveness study, and when it makes sense.
Sperm Freezing Before Gender-Affirming Hormone Therapy: What Trans Women and Non-Binary People Should Know
Sperm freezing for trans women and non-binary people before estrogen: timing, what the evidence says about recovery, sample collection, costs, grants and insurance.
What Age Should You Freeze Sperm? What the Evidence on Paternal Age Really Says
Is there a best age to freeze sperm? What studies show about semen quality and sperm DNA with age, legal age limits, costs, and who may benefit most.
Freezing a Backup Sperm Sample Before IVF or IUI
Sperm freezing before IVF or IUI: why clinics freeze a backup sample before egg retrieval, what studies found about thawed sperm, vials per attempt, cost and TESE options.
Sperm Freezing Before Military Deployment or Hazardous Work
Military sperm freezing explained: the DoD Cryopreservation Demonstration Program (up to $500 a year for sperm as of October 2026), TRICARE and VA rules, and timing.
The science
How Long Can Sperm Be Frozen? Records, Science and Legal Limits
How long can sperm be frozen? The science shows no biological expiry at -196 °C, with documented births after 21 to 28 years of storage. The real limits are legal and financial.
Frozen vs Fresh Sperm: Success Rates for IUI, IVF and ICSI
What the evidence says about pregnancy and live birth rates with frozen versus fresh sperm in IUI, IVF and ICSI, with study sizes, years and the caveats that matter.
Does Freezing Damage Sperm? Post-Thaw Survival, Storage Time and What It Means
Freezing and thawing kills a share of sperm, typically leaving a quarter to a half of motile sperm. What the studies show, whether storage time matters, and why ICSI still works.
At-home kits
Can You Freeze Sperm at Home? Why a Freezer Fails and What Actually Works
You cannot preserve sperm in a home freezer or fridge. Here is why, how long a semen sample lasts outside the body, and how mail-in freezing kits really work.
Legacy vs Fellow Sperm Freezing: Price, Storage and What You Actually Get
An independent comparison of Legacy and Fellow mail-in sperm freezing in 2026: up-front prices, storage per year, screening, post-thaw testing, accreditation and the fine print.
Legacy Sperm Freezing Review (2026): Plans, Prices, Lab and the Fine Print
An independent review of Legacy's at-home sperm freezing in 2026: what each plan costs per year, what the kit includes, accreditation, discounts, limitations and how it compares with a clinic.