Male Infertility: Can It Be Treated? Symptoms, Causes and the First Step

“Can male infertility be treated?” is one of the most searched questions online — and one of the last to be asked in clinics. In a large share of couples the male side plays a role alone or together with a female factor, yet the man’s evaluation often comes only after months of tests for the woman. This article is here to fix the order: symptoms, causes, the first step, and what happens “if there is no sperm”.

Are there symptoms? Usually not

This is the most misleading thing about male infertility: there is usually no pain, no swelling, no sexual problem. A man with a completely normal sex life and general health can have low sperm values. So “I would know if something were wrong” does not hold; the only real indicator is testing. In some cases there are clues: small testicles or a difference in size, a feeling of heaviness or enlarged veins in the scrotum, a history of undescended testicle or mumps, groin surgery.

Causes: what can be corrected and what is managed

• Varicocele: enlarged veins of the testicle. The most common and reversible cause of male infertility; it is found in roughly a third to a half of men evaluated for infertility (Cleveland Clinic). Most men do not notice it; it is found on examination and confirmed by ultrasound if needed. Treatment is a urological decision.
• Hormonal causes: imbalances in testosterone and pituitary hormones affect sperm production. They are detected by blood test. Note: taking testosterone or “bodybuilding” hormones from outside can stop sperm production — an increasingly common and entirely preventable cause seen in clinics.
• Obstruction: sperm is produced but cannot get out — after infection, surgery (including hernia repair) or with congenital absence of the ducts. In this group production is intact; sperm can be retrieved surgically.
• Genetic causes: chromosomal differences and certain changes on the Y chromosome. Investigated especially in very low counts and azoospermia; the result shapes the treatment plan and genetic counselling.
• Infections: past sexually transmitted infections, mumps orchitis.
• Lifestyle and environment: smoking, alcohol, obesity, prolonged heat exposure (hammam, sauna, laptop on the lap, hot working conditions), some medicines, anabolic steroids. These may not be “the cause” on their own but measurably lower values — and are correctable.
• Unexplained: there is always a group in which no cause is found despite all tests; this does not mean the options are exhausted.

The first step: semen analysis — done properly

Evaluation begins with a semen analysis; the AUA/ASRM guideline recommends at least two separate samples for diagnosis, because values vary markedly from sample to sample (a fever, stress or a short abstinence period can lower the result). The two samples should be a few weeks apart. We explained how to read the report in a separate article. No decision is made on one “bad” result; nor is the male side closed on one “good” result — a semen analysis does not fully measure the sperm’s ability to fertilise.

When is a urologist needed?

The guideline recommends that every man with an abnormal semen analysis be evaluated by a physician experienced in reproductive health (urologist/andrologist) with a history and physical examination. This examination is usually short, painless and highly informative: varicocele, testicular volume and the ducts are assessed here. Hormone tests, scrotal ultrasound and genetic tests are added when needed. The man should be evaluated as early as the woman — both start at the same time.

So can it be treated?

The answer depends on the cause and is most often “yes, there is a way”:

• If there is a correctable cause such as varicocele, urological treatment can improve sperm values; the decision is made together with age and the situation on the female side.
• If there is a hormonal cause, production can be restored with medical treatment; after stopping externally taken hormones, production can recover over months.
• Lifestyle factors can make a measurable difference within 3 months — sperm production is a cycle of roughly 70–90 days, so changes show not immediately but in the next semen analysis.
• If problems with count, motility or shape persist, the laboratory steps in: insemination for mild male factor, ICSI for a marked problem, IMSI for severe shape abnormalities. For these methods even a very small number of sperm can be enough.

If there is no sperm at all: the azoospermia pathway

No sperm in the semen sample (azoospermia) is not the end of the road; the type is determined first. If it is due to obstruction, production exists and sperm can be retrieved from the testicle or the duct. If it is a production problem, small “islands” of sperm may still exist in the testicular tissue; micro-TESE under the microscope is used to search for them, and any sperm found is used with ICSI. Genetic evaluation and counselling are standard on this pathway; that the outcome differs for every patient is discussed openly from the start.

Three practical notes for men

• Don’t postpone the test: one semen analysis is a small part of what your wife goes through for months, and it can change the whole plan.
• Be careful with supplements and “sperm boosters”: the evidence is limited; products containing hormones can do harm. Tell the doctor everything you take.
• This is not a question of masculinity: sperm values have nothing to do with sexual function. Talking about it, getting treated and becoming a father are not separate things but steps on the same road.

This article is general information, not a diagnosis or treatment recommendation. Individual assessment requires a physician’s examination and testing.

Sources

• AUA/ASRM — Diagnosis and treatment of infertility in men: guideline (2020)
• ASRM — Diagnostic testing for male factor infertility
• Cleveland Clinic — Varicocele
• NHS (UK) — Infertility