What to do after failed IVF cycles: tests, treatment changes and next steps

An unsuccessful IVF cycle can be difficult to process, particularly when there isn’t an obvious explanation for why it didn’t work. But the cycle can also provide your fertility specialist with valuable information about how your body responded to treatment, how embryos developed and what may be worth assessing before another attempt. Here, we explore what to consider after an unsuccessful IVF cycle and the tests or treatment changes that may be discussed.

At London Women’s Clinic, our fertility specialists take a detailed look at your previous cycle or cycles to understand what happened at each stage. If you’ve had one or more unsuccessful IVF cycles, book a consultation with our fertility specialists to review your previous treatment and discuss your next steps.

What should you do after a failed IVF cycle?

After an unsuccessful IVF cycle, the first step is usually a structured review with a fertility specialist. They can examine your cycle records to understand what happened at each stage and discuss whether it makes sense to repeat the same approach, adjust your treatment plan or consider further investigations. More testing or IVF add-ons aren’t automatically advised after one unsuccessful cycle.

Your review may look at how you responded to stimulation, the number and maturity of eggs collected, fertilisation and embryo development, as well as the details of any embryo transfer. Your medical and fertility history can also help put the results of one cycle into context.

What happens next will depend on what your specialist finds. For many patients, another cycle with a similar approach will be recommended; for others, changes to medication, treatment or transfer planning could be considered. Further tests may also be useful where there is a specific reason to investigate, rather than simply adding more interventions after an unsuccessful attempt.

First, review what happened in the cycle

Before deciding what to do differently, your fertility specialist will usually assess your previous IVF cycle from start to finish. Each stage can provide useful information and highlight areas that may be worth exploring further.

This review may include your response to ovarian stimulation, the medication and doses used, the number of eggs collected and how many were mature. Your specialist can also look at fertilisation rates, how the embryos developed in the laboratory and their quality at different stages.

If an embryo transfer took place, they may review how the uterine lining developed, the timing and details of the transfer and the progesterone support you received. The outcome of your pregnancy test will also be considered alongside the rest of your cycle.

Looking at the cycle as a whole can help identify patterns or areas to explore, but it won’t always provide a clear explanation for why treatment was unsuccessful.

Why IVF cycles can be unsuccessful

There are many reasons why an IVF cycle may not result in a pregnancy, and sometimes there is no single identifiable cause. Even when treatment progresses as expected and a good-quality embryo is transferred, implantation is not guaranteed.

Embryo factors are an important part of this picture. An embryo can look healthy when assessed in the laboratory but still have chromosomal differences or other factors that affect its ability to implant or develop. Egg quality, which is influenced by age, and sperm health can also affect fertilisation and embryo development.

Other possible factors include the uterine environment and lining, and how the ovaries responded to stimulation. Your wider medical and reproductive history may also be relevant. In some cases, however, an unsuccessful cycle may simply reflect the element of chance involved in IVF rather than a specific problem that can be identified or corrected.

What changes might be made before another IVF cycle?

The findings from your review can help your fertility specialist decide whether anything should be done differently if you try IVF again. Changes aren’t always necessary, and what is worth considering will depend on what happened during your previous cycle.

Your specialist may discuss adjusting your stimulation protocol or medication dose based on how your ovaries responded. If there were concerns around fertilisation, ICSI may be an option – this is where a single sperm is injected directly into an egg.

Laboratory and transfer planning may also be considered. This could include how the embryos are cultured, whether a fresh or frozen embryo transfer is considered, and the timing and preparation for transfer. Your specialist may also review your medication following embryo transfer.

These are all potential discussion points rather than changes that are routinely needed after an unsuccessful cycle. Your previous results, age, ovarian reserve, embryo development, wider medical history and whether embryos were available for transfer will all help your specialist decide whether adjusting your approach may be appropriate.

Which tests may be considered after failed IVF?

Further testing may be helpful after an unsuccessful IVF cycle, but there isn’t a standard set of tests that everyone needs. Your specialist will consider what happened during your previous cycle (or cycles) and whether there is a specific reason to investigate further before recommending additional tests.

Semen analysis and sperm DNA testing

Where sperm is being used from a male partner, a semen analysis can assess factors including sperm count, movement and shape. Previous results may be considered or further testing suggested if there are concerns about fertilisation or embryo development.

In some circumstances, your specialist may also discuss sperm DNA fragmentation testing, which looks at damage to the genetic material within sperm. This isn’t routinely required after an unsuccessful IVF cycle, but may be considered as part of a wider review where there have been issues with embryo development or recurrent pregnancy loss.

Uterine cavity and lining assessment

Your specialist may advise further assessment of the endometrium – the lining of the uterus where an embryo implants.

Where further investigation is indicated, this may include a saline ultrasound scan or hysteroscopy to examine the uterine cavity in more detail. The tests suggested will depend on your previous findings, symptoms and medical history rather than being routinely recommended after every unsuccessful cycle.

Endometrial biopsy and implantation tests

After repeated unsuccessful transfers of good-quality embryos, closer assessment of the endometrium may sometimes be considered. London Women’s Clinic’s Implantation Clinic provides specialist review for patients who have experienced repeated difficulties with implantation.

This may involve discussing whether further testing of the endometrium is justified based on your individual history. Endometrial biopsies to examine the function of your endometrium and how it responds to hormonal preparation can be helpful to ensure that any proposed intervention has a clear clinical rationale.

When does recurrent implantation failure become relevant?

Recurrent implantation failure describes a situation where pregnancy has not occurred after repeated transfers of embryos considered to have a reasonable chance of implanting. There isn’t one universally accepted definition, so the number of unsuccessful transfers alone doesn’t necessarily determine whether recurrent implantation failure applies to you.

If you have had several embryo transfers without becoming pregnant, particularly involving good-quality blastocysts, a more detailed review may be appropriate. Your specialist can look at factors including embryo development, your previous transfer cycles and the uterine environment to identify any areas that may need closer assessment.

Our Implantation Clinic provides specialist treatment for patients experiencing repeated difficulties with implantation. This allows any further investigations or treatment changes to be considered in the context of your individual history rather than automatically adding tests and treatments  after a set number of unsuccessful cycles.

Why IVF can fail even with good-quality embryos

In the laboratory, embryologists grade embryos according to their development and appearance under the microscope. A good-quality embryo has features associated with healthy development, but visual grading cannot tell us whether all of its chromosomes are normal.

Chromosomal differences can prevent an embryo from implanting or developing into an ongoing pregnancy, even when it has been given a high morphological grade. This is one reason an unsuccessful transfer can occur despite having an embryo that looked healthy in the laboratory.

The embryo is also only part of the implantation process. The endometrium needs to be ready for implantation at the time the embryo is transferred, and there may sometimes be a clinical reason to assess the uterus or lining more closely. However, an unsuccessful transfer of a good-quality embryo does not by itself show that there is a problem with the uterus or endometrium.

Where good-quality embryos have repeatedly failed to implant, your specialist can review both embryo and uterine factors and discuss whether further investigation – including specialist implantation assessment or, in selected circumstances, embryo genetic testing – may be relevant.

Should you consider embryo screening after failed IVF?

After one or more unsuccessful IVF cycles, your fertility specialist may discuss whether embryo genetic testing could provide useful information. Pre-implantation genetic testing for aneuploidy (PGT-A) involves testing embryos for abnormalities in chromosome number before deciding which embryo to transfer.

PGT-A is a selection tool rather than a treatment for implantation problems. The HFEA currently rates PGT-A green for reducing the chance of miscarriage for most fertility patients, although this does not necessarily mean it will increase the chance of having a baby.

Whether PGT-A after failed IVF is worth considering depends on your individual circumstances, including your age, reproductive history and the number of embryos available.

What about IVF add-ons?

It can be tempting to try additional treatments or tests after an unsuccessful IVF cycle, particularly when you are looking for something that might make the next attempt different. However, more intervention does not necessarily mean a greater chance of success.

Many IVF add-ons have limited, conflicting or no evidence that they improve the chance of having a baby. The evidence varies between different add-ons, so any additional test or treatment should be considered in terms of its potential benefits, risks, cost and the evidence supporting its use.

Rather than adding treatments routinely, your fertility specialist can help you understand whether there is a specific clinical reason to consider one and what the available evidence means for your circumstances.

When should you book a specialist review?

A specialist IVF review can be useful whenever you want to understand what happened in a previous cycle before deciding what to do next. It may be particularly helpful if you have:

●      experienced repeated failed IVF cycles

●      had good-quality blastocysts transferred without becoming pregnant

●      experienced miscarriages following IVF

●      produced fewer embryos than expected despite responding well to stimulation

●      experienced low fertilisation rates or concerns about embryo development

●      had difficulties with the uterine lining or embryo transfer

●      concerns about how age or ovarian reserve may affect future cycles

●      started considering donor eggs or sperm

●      been advised to consider additional investigations or IVF add-ons

●      questions about whether to repeat the same approach or make changes before another cycle.

A review does not necessarily mean you will need further testing or a different treatment plan. Its purpose is to bring together the information from your previous treatment and identify which next steps, if any, are worth considering.

Questions to ask at your failed IVF review

Preparing a few questions in advance can help you get a clearer understanding of your previous cycle and the options available to you. You might want to ask:

●      How did I respond to ovarian stimulation, and would you change the protocol or medication next time?

●      Were the number and maturity of the eggs collected as expected?

●      How many eggs fertilised, and was there anything notable about fertilisation or embryo development?

●      What did the embryo grading show?

●      Was there anything about my uterine lining or embryo transfer that you would review?

●      Should my progesterone support or transfer timing be reconsidered?

●      Is there a specific reason to recommend further tests before another cycle?

●      Would embryo genetic testing be relevant to my circumstances?

●      Are any IVF add-ons being considered, and what evidence supports their use for me?

●      Would you recommend repeating a similar approach or changing anything before another attempt?

How London Women’s Clinic can help after failed IVF cycles

Our fertility specialists can review your previous cycle records, test results, embryology and treatment history to help you understand what happened and plan your next steps. Depending on your circumstances, this may involve changes to a future IVF cycle, further investigation or continuing with a similar approach.

For patients who have experienced repeated difficulties with implantation, our Implantation Clinic provides more specialist treatment. We can also discuss whether embryo genetic testing may be relevant based on your age, embryo history and previous treatment.

If you’ve had one or more unsuccessful IVF cycles and would like to understand your options before trying again, book a consultation with our fertility specialists for an individual assessment of your previous treatment and next steps.

FAQs

How soon after a failed IVF cycle can I try again?

There isn’t a set waiting period that applies to everyone. When you can try again will depend on your physical recovery, how you feel emotionally and whether your specialist recommends any tests or changes to your treatment plan first. Our Fertility Support Hub also offers support and guidance if you need some time to process your experience before deciding what comes next.

Does one failed IVF cycle mean IVF will not work for me?

No. One unsuccessful IVF cycle does not necessarily predict what will happen in a future cycle. Even after repeated failed cycles, IVF can still work without changing treatment, as in each case a different embryo will be transferred, and this is usually the most important determinant of outcome. Reviewing how you responded to stimulation, fertilisation, embryo development and any embryo transfer can help your specialist decide whether to repeat a similar approach or consider changes next time.

Why did IVF fail when we had good embryos?

Embryo grading is based largely on how an embryo develops and looks in the laboratory, but appearance cannot confirm whether an embryo has the correct number of chromosomes. Chromosomal factors, the uterine lining, transfer timing and chance can all contribute to whether implantation occurs, so an unsuccessful transfer does not necessarily mean there was a problem with the embryo or uterus.

What tests are done after failed IVF?

There isn’t one standard set of tests after an unsuccessful IVF cycle. Depending on your previous results and history, your specialist may review ovarian reserve and hormone tests, semen analysis, the uterine cavity and lining, or recommend selected specialist investigations. Not everyone will benefit from further testing.

What is recurrent implantation failure?

Recurrent implantation failure describes repeated absence of pregnancy following the transfer of sufficient embryos considered to have provided a good chance of achieving a pregnancy. This varies according to age and other factors, so it cannot be determined simply by reaching a particular number of unsuccessful transfers. A fertility specialist can review your individual embryo and transfer history to assess whether further investigation is warranted.

Can embryo screening help after failed IVF?

PGT-A can identify embryos with the correct number of chromosomes before transfer and may help reduce miscarriage risk in selected circumstances. However, it is not suitable for everyone, does not guarantee implantation or a baby and can reduce the number of embryos available for transfer. Your specialist can discuss whether embryo genetic testing may be relevant to your history.

Should I have immune tests after failed IVF?

Immune testing and treatments are not routinely recommended simply because an IVF cycle has been unsuccessful. If they are being considered, your specialist can discuss the evidence, potential risks and whether there is a clinical reason for them in your circumstances.

When should I get a second opinion after IVF failure?

You may want to seek a second opinion if you have experienced repeated unsuccessful cycles, recurrent miscarriage or good-quality embryos that have not implanted, or if you still have unanswered questions about why previous treatment was unsuccessful. A review can also be useful before committing to another cycle if you want a fresh assessment of your options.

Can changing clinics help after failed IVF?

Changing clinics does not in itself mean a future IVF cycle will be successful. However, a second opinion from another fertility team can provide a fresh review of your previous cycle records, embryology, stimulation protocol and embryo transfer history, and identify whether there are different investigations or treatment approaches worth discussing.

References / Further reading

Pre-implantation genetic testing for aneuploidy (PGT-A) | HFEA (2023)

Treatment add-ons with limited evidence | HFEA (2023)

Fertility problems: assessment and treatment | Guidance | NICE (2026)