10 Things You Should Know Before Choosing Embryo Donation
Embryo donation is one of the least discussed options in assisted reproduction — and, as a result, one of the most misunderstood. Patients often encounter it late in their fertility journey, after IVF attempts with own or donor gametes, and frequently confuse it with double donation IVF. The two are medically and legally distinct. This guide covers the 10 most important things to understand before making a decision.
1. Embryo Donation and Double Donation IVF Are Not the Same Thing
This distinction matters more than most patients realize. In double donation IVF, fresh or vitrified donor eggs are fertilized with donor sperm specifically for you — the embryo is created to match your requirements, with donors selected for your cycle. In embryo donation (also called embryo adoption in some jurisdictions), you receive a pre-existing embryo — one created by another couple during their own IVF cycle, which they have chosen to donate rather than discard or keep in storage. [1]
|
Double Donation IVF |
Embryo Donation |
|
|
Embryo created for you? |
Yes — purpose-built |
No — pre-existing |
|
Donor selection |
Full profile matching |
Limited or no matching |
|
Genetic screening of donors |
Comprehensive |
Variable — depends on original cycle |
|
Waiting time |
Weeks to months |
Potentially longer |
|
Legal framework |
Gamete donation law |
May differ by country |
|
Availability |
Large donor databases |
Depends on clinic supply |
For international patients, double donation IVF is typically the more accessible and better-regulated option. Embryo donation programs vary significantly in scale, transparency, and legal clarity across European jurisdictions.
2. The Embryos Come from Other Couples' IVF Cycles (But Not Only)
Donated embryos are created during surplus from other patients' treatment. When a couple completes their family after IVF and has frozen embryos remaining, they face a choice: continued storage, disposal, donation to research, or donation to another family. Those who choose the last option enter a clinic's embryo donation program. [2]
This origin has practical implications. The embryos were created to match the original couple's characteristics — not yours. Phenotype matching to the recipient is often limited or unavailable. Genetic screening performed at the time of the original cycle may not meet current expanded carrier-testing standards. And the embryo was probably vitrified several years ago, at the time of the couple’s active phase of treatment.
None of this makes donated embryos less viable — vitrified embryos maintain quality over many years of storage. [3] But it means recipients should ask specific questions about the embryo's history before proceeding.
In Russia, embryo donation follows distinct clinical practices. Donor embryos are frequently created from surplus fresh donor eggs that remain after a standard egg donation cycle. These eggs are fertilized using frozen donor sperm, and the resulting embryos are cryopreserved, undergo preimplantation genetic testing (PGT), and are subsequently made available to prospective recipients. The egg donors selected for this process are typically individuals who have already undergone comprehensive genetic screening, including carrier testing for monogenic disorders, to minimize the risk of transmitting inherited conditions.
3. Survival Rates After Thawing Are High — But Not Guaranteed
Modern vitrification (rapid freezing) has transformed cryopreservation outcomes. Survival rates for vitrified blastocysts after thawing exceed 95% in well-equipped laboratories. [4] The age of the embryo in storage is not, by itself, a predictor of quality — embryos have survived cryostorage for over two decades and resulted in healthy births.
What matters more than storage duration is: the grade of the embryo at freezing, the laboratory's vitrification protocol, and whether the embryo reached blastocyst stage before freezing. A Day 5–6 blastocyst graded 3BB or above has significantly better implantation potential than a Day 3 cleavage-stage embryo, regardless of how long it has been stored. [5] Ask your clinic for the morphological grade and developmental stage of any embryo offered for donation.
4. Genetic Screening May Be Incomplete
This is the most clinically significant difference between embryo donation and a purpose-built double donation cycle. Embryos created in 2015–2018, for example, may have been produced before expanded carrier screening became standard practice. The original donors may have undergone only basic karyotype testing and infectious disease panels — not the 200–300 gene carrier panels that leading programs now routinely perform. [6]
Before accepting a donated embryo, you should confirm:
- Karyotype of both gamete donors (normal 46,XY and 46,XX)
- Infectious disease status at time of donation (HIV, hepatitis B/C, syphilis, CMV)
- Whether expanded carrier screening was performed — and if so, which panel
- Whether PGT-A (chromosomal testing of the embryo itself) was done before freezing[7]
If PGT-A was not performed and the embryo is from donors over 35, chromosomal aneuploidy remains a possibility. Some clinics offer post-thaw biopsy and PGT-A on donated embryos before transfer — a useful option if this history is uncertain.
5. Success Rates Are Comparable to Own-Embryo FET — With Important Caveats
Frozen embryo transfer (FET) with donated blastocysts achieves clinical pregnancy rates of up to 60% per transfer in published series, broadly comparable to FET with own embryos from good-quality cycles. [8] The recipient's age has minimal impact on outcome — what predicts success is embryo quality and endometrial receptivity, not the recipient's ovarian age.
The caveats: success rates reported by clinics for embryo donation programs vary widely, and not all programs report live birth rates (as opposed to clinical pregnancy rates, which include early losses). A 60% clinical pregnancy rate can correspond to a 45% live birth rate if early pregnancy loss is not accounted for in the headline figure.
Questions to Ask About Success Rates
What is your live birth rate per transfer in embryo donation cycles specifically?
What proportion of embryos survive thawing in your laboratory?
What is the average number of transfers to achieve a live birth in your program?
6. Legal Status Varies Significantly by Country
Embryo donation occupies a legally complex space in many jurisdictions — sometimes governed by tissue and cell donation law, sometimes by family law, and sometimes by a combination of both. The legal status of the child, the rights of genetic donors, and the permissibility of known versus anonymous donation differ across countries in ways that matter for international patients. [9]
|
Country |
Legal Framework |
Key Points for Recipients |
|
Spain |
Law 14/2006 on ART |
Anonymous donation; recipient is legal mother; strong regulatory oversight |
|
Czech Republic |
Act No. 373/2011 |
Anonymous donation permitted; one of the most active embryo donation programs in Europe |
|
UK |
Human Fertilisation & Embryology Act |
Donor-conceived children can access donor identity at age 18; full regulatory framework via HFEA |
|
USA |
Varies by state |
"Embryo adoption" framing in some states; legal complexity; consult specialist |
|
Greece |
Law 3305/2005 |
Anonymous donation; medical indication required; active international program |
As a recipient, your home country's laws on parental rights also matter. In most European legal systems, the woman who gives birth is the legal mother regardless of genetic origin — but this should be confirmed with a legal specialist for your specific nationality before treatment. [10]
7. Waiting Times Can Be Longer Than for Fresh Donation Cycles
Embryo donation programs depend on the supply of donated embryos from other patients' completed IVF cycles — a supply that is inherently unpredictable. In some clinics, the waiting list for a matched embryo can extend to 18 months, particularly for recipients with specific phenotype preferences or blood type requirements. [11]
This contrasts with double donation IVF, where active egg donor databases allow cycle planning within weeks. For patients with age-related urgency or medical time pressure — endometriosis progression, a closing implantation window before oncological treatment — waiting time is a material clinical factor, not just a logistical inconvenience.
Before committing to an embryo donation program, ask the clinic for their current average wait time for your profile and whether there are embryos currently available that meet your basic criteria.
To learn more about the embryo donation program at NGC St. Petersburg, please visit our dedicated program webpage.
8. Phenotype Matching Is Limited
In purpose-built double donation IVF, donors are selected — within the constraints of available profiles — to match the recipient's physical characteristics: eye color, hair color, height, build, skin tone, and blood type. This matching is imperfect but deliberate.
In embryo donation, the embryo already exists. It was created from two specific donors, whose characteristics were matched to the original couple, not to you. Some degree of phenotype information will be available from the original donors' profiles, but the match to your appearance may be incidental rather than designed.
For patients for whom phenotype matching is a priority — particularly those who do not plan to disclose donor conception to the child or extended family — this is a meaningful practical difference. It does not affect the medical outcome, but it is worth factoring into the decision. [12]
9. Psychological Preparation Is Different from Other Donor Pathways
Embryo donation carries a specific psychological dimension that is distinct from egg or sperm donation alone. Recipients are not just accepting external genetic material — they are becoming parents to an embryo that was created within another family's reproductive story. Some patients find this meaningful and even comforting; others find it more emotionally complex than they anticipated.
ESHRE guidelines recommend that psychological counseling be offered to all embryo donation recipients before treatment — not as a gatekeeping requirement, but as a genuine resource. [13] Key areas typically covered include: feelings about genetic connection, decisions around disclosure to the child, and navigating the relationship (if any) with the embryo's genetic family in programs that allow non-anonymous donation.
What Good Counseling Before Embryo Donation Should Cover
Your feelings about raising a child with no genetic connection to either parent
How you plan to talk to the child about their origins — and when
Your partner's (if applicable) perspective on the genetic connection
How you will respond if the child asks about genetic donors in the future
The difference between the child's genetic story and their identity as your child
10. It Is Often the Most Cost-Effective Path — But Cost Should Not Be the Only Driver
Embryo donation is generally less expensive than a fresh double donation IVF cycle. There is no egg donor stimulation, no synchronization protocol, and typically no laboratory fees for fertilization or embryo culture — the embryo preparation has already occurred. Costs in European programs typically range from €2,500–€5,000 per transfer cycle (including preparation and transfer), compared to €7,000–€15,000 for a complete double donation IVF cycle depending on country and laboratory. [14]
Cost-effectiveness is a legitimate consideration — especially for patients who need multiple transfers. However, choosing embryo donation primarily for cost reasons, without addressing the questions in points 4, 6, 8, and 9, can lead to outcomes that were medically avoidable or emotionally unprepared for. The right question is not "which is cheaper" but "which pathway is right for my specific situation" — and that answer requires an honest consultation with a specialist, not a price comparison.
Summary: Making an Informed Decision
Embryo donation is a legitimate, well-established path to parenthood — not a second-tier option, but a specifically suited one for the right patient profile. It is most appropriate for patients who: have no urgency around phenotype matching, have time flexibility for waiting lists, are psychologically prepared for the specific narrative of donated embryos, and have access to a clinic with a transparent, well-regulated program.
For patients who need purpose-built matching, faster timelines, or comprehensive modern genetic screening of donors — double donation IVF typically offers more control over those variables. The two pathways are not in competition; they answer different needs.
Whatever path you are considering, the most important step is the same: a consultation with a reproductive endocrinologist who will give you honest answers to the questions in this guide — not just the ones that are easy to answer.
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[1] Söderström-Anttila V, et al. "Embryo donation: outcome of live births and attitudes of donors and recipients." Human Reproduction. 2010;25(6):1411–1417.
[2] McMahon CA, et al. "Donor-conceived children and parental disclosure: a systematic review." Fertility and Sterility. 2019;111(5):861–874.
[3] Cobo A, et al. "Storage of human oocytes in liquid nitrogen versus nitrogen vapour." Fertility and Sterility. 2010;94(5):1877–1882.
[4] Rienzi L, et al. "Oocyte, embryo and blastocyst cryopreservation in ART: systematic review and meta-analysis comparing slow-cooling versus vitrification." Human Reproduction Update. 2017;23(2):139–155.
[5] Papanikolaou EG, et al. "Blastocyst vs cleavage-stage embryo transfer: a meta-analysis." Human Reproduction. 2008;23(1):91–99.
[6] Mujica-Coopman MF, et al. "Expanded carrier screening in oocyte donation: clinical implications." Reproductive BioMedicine Online. 2021;43(5):893–901.
[7] Dahdouh EM, et al. "The impact of blastocyst biopsy and comprehensive chromosome screening." Human Reproduction Update. 2015;21(4):451–473.
[8] Jing S, et al. "Frozen-thawed embryo transfer cycles: clinical outcomes and factors affecting success." Journal of Assisted Reproduction and Genetics. 2021;38(4):881–892.
[9] Crockin SL, Jones HW. "Legal conceptions: the evolving law and policy of assisted reproductive technologies." Johns Hopkins University Press. 2010.
[10] European Commission. "Directive 2004/23/EC: quality and safety for human tissues and cells." Official Journal of the European Union. 2004.
[11] Hurley VA, et al. "Donor embryo transfer: systematic review of success rates, patient selection, and ethical considerations." Reproductive BioMedicine Online. 2020;41(3):430–441.
[12] Pennings G. "Disclosure of donor conception: ethical and social considerations." Current Opinion in Obstetrics and Gynecology. 2017;29(3):186–190.
[13] ESHRE Psychology and Counselling Guideline Group. "Routine psychosocial care in infertility and medically assisted reproduction." Human Reproduction Open. 2021;2021(1):hoab001.
[14] Garcia-Velasco JA, et al. "Cost-effectiveness of different fertility treatment strategies in Europe." Human Reproduction. 2020;35(9):2056–2066.