- You are preparing for donor egg IVF abroad and want to understand what preparation usually involves
- You have had previous miscarriages or failed transfers and are not sure what to review before the next cycle
- A clinic has suggested extra tests or add-ons and you are not sure whether they apply to your situation
- You only have one embryo left and want to know what to ask before transfer
This page is not a medical checklist. It is a way to prepare better questions for your clinic.
Before adding more tests, ask what would change
A test is more useful when the clinic can explain what it is looking for and how the result would change the transfer plan. When a test or add-on is suggested, these five questions help frame that conversation:
The useful questions before agreeing to any investigation
- Is this a standard requirement before treatment, or something specific to my case?
- Is it relevant to my history, my previous cycles, or my current situation?
- Would the result actually change the transfer plan?
- Can it be done locally before travelling, and will the clinic accept results from my local provider?
- Is the clinic explaining the evidence, the cost, and the limitations clearly?
- If this is your first donor egg cycle, standard preparation checks are usually enough to proceed.
- If you have had recurrent miscarriages, a focused review of possible contributing factors is often reasonable before transfer.
- If you have had a failed donor egg transfer, the most useful step is usually a review of the previous cycle, not a new list of tests.
- If partner sperm is used, sperm quality still contributes even with donor eggs, and a recent semen analysis is usually expected.
- If a clinic suggests tests beyond the standard list, ask what the result would change before agreeing.
Donor eggs change the question, but not every variable
What donor eggs change
- Egg quality is no longer the main concern for most patients
- Age-related egg decline is taken out of the equation
- The donor's profile and screening become part of the clinic's assessment
What still matters
- Uterine cavity and lining response during preparation
- Transfer protocol and progesterone timing
- Sperm quality, if partner sperm is used
- Clinic process and lab quality
- Medical history and previous cycle outcomes
The goal is not to test everything. It is to confirm the relevant checks have been covered, understand what is specific to your history, and ask the right questions before committing. The success rates page explains what the figures mean and what actually influences them.
Checks most clinics will expect before treatment
These checks are either required for treatment safety, needed to plan the protocol, or expected as part of standard preparation. Most can be arranged locally before you travel.
| Check | Why it matters | Question to ask the clinic |
|---|---|---|
| Uterine cavity assessment | Checks whether the womb cavity has visible issues such as polyps, fibroids, adhesions, or shape concerns that may affect implantation | Has my uterine cavity been checked recently enough, and will you accept results from my local clinic? |
| Lining monitoring | Shows whether the lining responds appropriately during preparation and allows the clinic to adjust timing | What lining thickness and appearance do you want before transfer? |
| Infectious-disease screening | Required for treatment safety and clinic compliance in most countries | Which blood tests are required, and how recent must results be? |
| General health and pregnancy safety review | Medical history, thyroid, and relevant metabolic checks matter, especially for older patients or those with existing conditions | Do I need any medical clearance before treatment can proceed? |
| Semen analysis (if partner sperm is used) | Donor eggs do not remove the sperm contribution when partner sperm is used. Semen analysis is standard | Is our semen analysis recent enough, and would the result change whether IVF or ICSI is used? |
| Medication and protocol planning | Timing of estrogen, progesterone, and other medications affects the transfer cycle and needs clear communication | How will my protocol be monitored and adjusted during preparation if needed? |
| Local monitoring coordination | Treatment abroad often depends on scans and blood tests done at a local clinic before travel | Which scans or blood tests can I do locally, and do you have a monitoring protocol or a referral network? |
Checks that may depend on your history
Not every patient needs extra testing. Some questions become more relevant if you have had recurrent miscarriages, repeated failed transfers, symptoms that have not been explained, or only one embryo remaining.
If you have had recurrent miscarriages
Recurrent pregnancy loss can raise questions that standard preparation does not fully address. These areas are often discussed in this context:
- A general recurrent pregnancy loss review with a specialist
- Antiphospholipid syndrome testing, given its association with recurrent loss
- Thyroid and metabolic checks, if not already reviewed
- Uterine cavity review to check for structural factors
- Whether previous pregnancy tissue was tested, if that was possible at the time
- Whether a specialist referral is appropriate before starting treatment
Testing for inherited clotting conditions (thrombophilia) is not routinely recommended for recurrent pregnancy loss unless there is a personal or family history of thrombosis or another specific medical reason. Ask your doctor or clinic whether your history makes this relevant before requesting it.
If you have had a failed transfer
After a failed donor egg transfer, additional testing is not always the first step. These questions are often more useful as a starting point:
- Was the lining response considered suitable before transfer?
- Was progesterone timing appropriate for the embryo stage?
- Was the transfer itself technically straightforward?
- Would a different protocol be worth discussing?
- Whether a mock cycle would give useful planning information before the next attempt
- Whether any specific investigation is worth doing before using a remaining embryo
Progesterone timing and levels are sometimes reviewed after a failed transfer, particularly in medicated frozen embryo transfer cycles. Monitoring approaches and thresholds vary by clinic.
If partner sperm is used
Donor eggs address the egg side of the equation, but sperm still contributes if partner sperm is used. These points are worth considering:
- A recent semen analysis is typically expected as part of standard preparation
- If previous cycles used partner sperm with consistently poor results, sperm DNA fragmentation testing may come up as a discussion point
- Sperm DNA fragmentation testing is not standard for everyone. It is case-dependent
- Ask what the clinic would do differently if sperm DNA fragmentation were abnormal, before deciding whether to pursue testing
Tests and add-ons you may hear about online
Forums often mention advanced tests and add-ons after a failed transfer. Some may be relevant in selected cases. The useful question is whether the clinic can explain why a specific test applies to your case and what would change based on the result.
| What you may hear about | Examples | How to think about it |
|---|---|---|
| Transfer timing tests | ERA, endometrial receptivity testing | Not routine for most patients. Ask whether the result would change progesterone timing for your situation. |
| Microbiome or infection testing | EMMA, ALICE, chronic endometritis biopsy | Case-dependent. Evidence is limited. Ask what treatment would follow a positive result. |
| Endometriosis or inflammation testing | Adenomyosis review, endometriosis assessment, BCL6 or Receptiva-style testing | More relevant with symptoms or repeated unexplained failure. Ask whether imaging or a changed treatment approach would follow a positive result. |
| Immune testing and immune treatments | NK cells, KIR/HLA-C, intralipids, IVIG, tacrolimus, steroids | Controversial and not routinely recommended. Ask what major professional guidelines support and what the risks are before agreeing. |
| Transfer add-ons | EmbryoGlue, assisted hatching, PRP, endometrial scratch, Neupogen | Ask for evidence specific to your situation, not general claims. Costs add up quickly. See also hidden treatment costs. |
If you only have one embryo left
When only one embryo remains, the decision is not only medical. It is also financial, emotional, and practical. The question is not whether you can remove all uncertainty before transfer. You cannot. The question is whether there is anything reasonable to review before using that embryo.
These questions are worth working through before the transfer:
- What would you change from the previous transfer, if anything?
- Was the lining response considered suitable?
- Was progesterone timing appropriate for the embryo stage?
- Was the transfer technically straightforward?
- Does my history justify any specific review before this transfer?
- Is the remaining embryo suitable to transfer now, in the clinic's assessment?
- What would the plan be if this transfer did not work?
- Should I get a second opinion before using the last embryo?
Waiting is not always better than transferring. Some reviews can be done quickly. Others may require time that is worth taking. The decision depends on your history, what the clinic says, and what a second opinion might add.
Questions to ask the clinic
Before committing to treatment abroad, these questions can help you understand what the clinic is planning and whether any additional review is relevant to your case.
Basic preparation
- Which tests are required before treatment?
- Can I complete them at a local clinic before travelling?
- How recent do results need to be?
- Which results would stop or delay treatment?
Medical history
- Does my miscarriage or failed transfer history change your recommendation?
- Do you think any additional review is justified based on my history?
- Would you suggest a different transfer protocol?
Add-ons and optional tests
- Is this test standard for all patients, case-dependent, or optional?
- What would change in the treatment plan if the result is abnormal?
- What would you do if the result is normal?
- What is the cost, and what are the risks or limitations?
- Is there independent evidence for patients with a history like mine?
The useful question is not whether you can test more
If a test will not change the plan, it may not reduce uncertainty. Before adding more investigations, ask the clinic to explain what the test is trying to find, what would change based on the result, and whether your history makes it relevant. A clear answer to those questions is more useful than a test result on its own.
If you are also comparing specific clinics before committing to treatment, the clinic evaluation toolkit helps you structure questions, compare quotes, and review red flags before paying a deposit.
Common questions
No. Some checks are standard before most treatment cycles, some depend on your history, and some are optional or controversial. Standard preparation usually covers the uterine cavity, lining monitoring, infectious-disease screening, general health, semen analysis if partner sperm is used, and a clear medication plan. Tests beyond that should be discussed based on your specific situation, not requested as a general precaution.
Yes. Donor eggs address the egg-quality factor but do not guarantee implantation or pregnancy. Implantation depends on the uterine environment, lining response, protocol, and other clinical variables. A failed donor egg transfer does not automatically mean something was missed. It may mean that implantation did not occur for reasons that current testing cannot fully explain.
Not necessarily. One failed transfer is not usually enough to justify a long list of additional investigations. A focused review of the previous cycle, including lining response, progesterone timing, and transfer technique, is often more useful as a starting point. Whether more specific testing is justified depends on your full history and what the clinic found in the previous cycle.
Yes, if partner sperm is used. Donor eggs replace the egg-quality variable, but sperm still contributes to fertilization. Semen analysis is standard when partner sperm is used. More advanced sperm testing such as DNA fragmentation analysis is not standard for everyone and should be discussed based on previous results and clinical history.
No. Immune testing such as NK cell testing and associated immune treatments are controversial and not routinely recommended by major professional guidelines. If immune testing is suggested, ask what the evidence shows for your situation, what treatment would follow a positive result, and what risks the treatment involves.