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Male Infertility and IVF: When IVF Helps and What It Does Not Solve

Dr. Senai Aksoy · · Updated · 9 min read
Medically reviewed on 25 October 2026 - Dr. Senai Aksoy
A couple at a wooden table looking over printed test results together

Key Takeaways

Male infertility contributes to a large share of fertility problems. IVF does not solve it the same way for every couple. The right treatment depends on the cause: sperm production, a blockage, hormones, a varicocele or genetics. ICSI can work around severe sperm problems but does not treat the cause, so the choice should follow a proper male-factor evaluation.

Key evidence: EAU Guidelines — Male infertility AUA/ASRM — Diagnosis and Treatment of Infertility in Men (2020, amended 2024)

Abnormal Semen Analysis: Does It Mean You're Infertile?

Abnormal Semen Analysis: Does It Mean You're Infertile?

Male Infertility and IVF

When a couple is struggling to conceive, male-factor infertility is often reduced to one phrase: “the sperm count is low.” That shortcut hides real differences. A male factor is involved in about half of infertile couples, according to a 2023 review of male factor and assisted reproduction, and the problem may involve sperm production, transport, ejaculation, hormones, genetics, or several of these at once.

IVF can help in many of these situations, but it does not cure every male infertility diagnosis. So the useful question is not just “Do we need IVF?” Ask instead: “What is causing the problem, and which part of it can IVF or ICSI work around?”

How male infertility is usually classified

Doctors usually group the causes of male-factor infertility into three levels:

The grouping has practical consequences. A hormonal disorder may need medical treatment, an obstruction may be surgically correctable, and a genetic finding may change counselling and the discussion of inheritance risk. The EAU male-infertility guideline and the AUA/ASRM guideline both support evaluating the cause first rather than moving automatically to assisted reproduction.

What the male infertility workup should include

A proper evaluation starts with a semen analysis. If the first result is normal, one test is generally enough. If it is abnormal, the EAU guideline advises repeating it, because sperm parameters vary from one sample to the next. Depending on the case, clinicians may also review:

The workup guides the choice of treatment. It also catches diagnoses that are easy to miss, such as hypogonadotropic hypogonadism, congenital absence of the vas deferens, or Y-chromosome microdeletions.

When IVF helps in male infertility

IVF becomes relevant when natural conception or simpler treatment is unlikely to work, or when time matters. What it offers depends on the problem.

Low sperm count or poor motility

When sperm concentration or motility is very poor, conventional fertilisation becomes less predictable. IVF with ICSI (intracytoplasmic sperm injection) is often used so that one selected sperm can be injected directly into each mature egg. Since its introduction in 1992, ICSI has greatly reduced the impact of male-factor infertility, according to a review of ICSI in humans. ICSI answers a specific problem; it is not a default setting for every cycle. Where there is no male factor at all, the 2026 ASRM committee opinion advises against routine ICSI, because it has not been shown to improve live birth rates (the chance of having a baby) in that setting.

How ICSI relates to genetic findings and to the health of children born after it is reviewed in ICSI and Birth Defect Risks.

Abnormal sperm morphology

Abnormal shape on its own does not automatically mean that ICSI is required. Morphology is interpreted together with count, motility, the rest of the evaluation, and the couple’s history. Guidelines do not name mild morphology abnormality as an indication for ICSI. Our practice here follows the cause-specific approach of the AUA/ASRM guideline as a whole, not a single statement in it.

Obstructive azoospermia

If sperm production is intact but a blockage keeps sperm out of the ejaculate, sperm can usually be retrieved surgically and used with IVF-ICSI. The EAU and AUA/ASRM guidelines treat retrieval as an established option here. Repairing the blockage itself is sometimes an alternative, which is one more reason to identify the cause before starting a cycle.

Non-obstructive azoospermia

Here sperm production itself is impaired, which makes these cases harder. Some men still have small areas of sperm production in the testes, and techniques such as micro-TESE may allow retrieval for ICSI. Sperm are not found in every attempt, and the Y-chromosome result changes the picture sharply.

Where a complete deletion involves the AZFa or AZFb region, the EAU guideline recommends against surgical sperm retrieval. These deletions go with a Sertoli-cell-only pattern (testes without sperm-producing cells) or arrested sperm production, so sperm are not expected to be found. A deletion limited to the AZFc region is different: in that group the same guideline reports sperm found in roughly 50–75% of men.

That is why Y-chromosome testing should come before surgery. With a complete AZFa or AZFb deletion, the result takes the operation off the table.

IVF is not the treatment for every male problem

IVF does not correct the underlying male condition; it works around some of its consequences. Several causes have a treatment of their own:

What determines success

Even in male-factor infertility, sperm are only part of the outcome. Results still depend heavily on:

That is why two couples with similar semen results can receive different recommendations, and why a semen analysis is not a prognosis in itself. The AUA/ASRM guideline emphasises that evaluation and treatment should consider both partners.

Dr. Aksoy’s Approach

The finding that most often changes the balance is limited female reproductive time—particularly advanced maternal age or diminished ovarian reserve. If waiting three to six months to treat the male factor could materially reduce the woman’s chance of pregnancy, I usually favour proceeding directly to IVF/ICSI. Severe sperm impairment, cryptozoospermia (extremely rare sperm in the ejaculate), or azoospermia requiring surgical retrieval can lower that threshold, although genetic and urological evaluation should still take place in parallel.

ICSI bypasses rather than cures the male factor. Treating a clinical varicocele or a reversible endocrine or lifestyle cause may improve semen quality and may sometimes allow natural conception or IUI, but improvement is uncertain and takes time. IVF/ICSI may offer a more direct route when time is limited, while also bringing ovarian stimulation, cost, and procedural burden for the woman. It does not remove sperm-related genetic concerns. The practical question is whether the couple can safely afford the time needed to treat the male factor first.

Frequently Asked Questions for Dr. Aksoy

If the man is infertile, how does IVF help — and is it always necessary?

IVF can be quite an effective treatment for male infertility. But an abnormal sperm test does not mean that IVF has to be done.

I look first at what the problem actually is. Is the count low, is motility reduced, or is there a problem with sperm shape? These are not the same thing, and the treatment options differ.

In a couple with a mild sperm abnormality, a young female partner and open tubes, a natural pregnancy may still be possible. In some situations intrauterine insemination (IUI) can also be an appropriate option. If there is a varicocele or a hormonal problem, treating it in suitable patients can also improve semen parameters.

When sperm count or motility is severely reduced, IVF — especially ICSI — can offer an important advantage. We place one selected sperm directly into the egg, so we can get around some of the barriers to the sperm reaching the egg and entering it on its own.

That does not mean ICSI removes every sperm problem. Even if fertilisation takes place, how the embryo develops and whether the pregnancy continues also depend on other factors.

My approach is not to recommend IVF straight away to every couple whose sperm test is abnormal. I first look at three things together: how severe the problem is, whether there is a treatable cause, and the woman’s fertility. In some couples simpler methods are enough; in others, going straight to IVF/ICSI can avoid losing time.

For male-factor infertility, do you prefer conventional IVF or ICSI?

My patients sometimes think IVF and ICSI are two completely different treatments. In both we collect the eggs and fertilise them in the laboratory. The main difference is how we bring sperm and egg together.

In conventional IVF we place the prepared sperm with the eggs and wait for one of them to enter an egg on its own.

In ICSI, the embryologist selects one sperm cell and places it directly into the egg.

I prefer ICSI especially when sperm count or progressive motility is severely reduced, when a previous conventional IVF cycle had a fertilisation problem, or when the sperm were obtained surgically.

I do not think ICSI is always needed in mild male factor. If enough motile sperm can be obtained, conventional IVF can also be appropriate.

There is also an important misunderstanding: ICSI is a more advanced laboratory technique, but that does not mean it gives a higher pregnancy or live-birth rate in every patient. If there is no clear sperm problem, doing ICSI only because it is more technological is not always an advantage.

What matters to me is not using the most complex method, but trying to give each couple the chance of fertilisation that best suits their situation. I make the choice between IVF and ICSI by looking at the sperm results, any previous fertilisation history, and the characteristics of the eggs we have obtained.

If there is azoospermia, is it still possible to have a child? How is sperm found?

Yes. In some men with azoospermia it is possible to have a child with their own sperm. Before I can say that, we need to understand what is causing the azoospermia.

Azoospermia means no sperm cells in the semen. That does not necessarily mean the testes are producing none.

In some men sperm production is normal, but a blockage in the ducts keeps sperm from reaching the semen. We call that obstructive azoospermia. In these patients our chance of retrieving sperm from the testis or the epididymis is generally quite high. Some blockages can also be repaired surgically.

In the second group the problem is sperm production itself: non-obstructive azoospermia. Production may be greatly reduced, or it may have stopped in some areas. Sometimes production continues in small areas of the testis.

In a micro-TESE operation we use a microscope to look for those areas. If we find sperm, a pregnancy with ICSI can be possible. We cannot guarantee that sperm will be found in every patient.

There is also azoospermia linked to hormonal causes. In some hormone deficiencies, appropriate treatment can restart sperm production. So not every man with azoospermia necessarily needs an operation.

With such a patient I first confirm the semen test result, then assess the hormone results, the testicular examination, and genetic tests when they are needed. In some genetic situations the chance of finding sperm is extremely low, and in certain chromosomal disorders it can be zero.

One thing I make a point of telling my patients: no sperm in the semen does not mean the chance of having a child with your own sperm is necessarily over. For a realistic assessment, we need to establish whether the problem is a blockage, a hormone deficiency, or a production disorder.

Sources

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Dr. Senai Aksoy

Dr. Senai Aksoy studied and trained in France before returning to Turkey, where he was a member of the ICSI team at Sevgi Hospital, Ankara — the country's first ICSI centre (1994-95) — and a co-author on the first Turkish ICSI publications produced in collaboration with the Brussels Van Steirteghem group (Human Reproduction, 1996; PMID 8671323). He helped build the IVF programme at the American Hospital Istanbul and has been running his own fertility practice since 1998.

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