Testicular & Scrotal Conditions & Male Infertility
Male Infertility
Male infertility plays a role in half of all cases where couples struggle to conceive. Often caused by sperm production or transport issues, many causes are reversible with the right medical support or lifestyle changes.
Key Takeaways
- Male infertility plays a role in half of all cases where couples struggle to conceive. Often caused by sperm production or transport issues, many causes are reversible with the right medical support or lifestyle changes.
- We offer specialist diagnostics and treatments. Book a consultation to discuss your options.
Clinical Overview
Understanding Male Infertility
If you and your partner are struggling to get pregnant, you aren't alone. Male infertility is a factor in about 50% of all cases where couples have difficulty conceiving. In the UK, it is generally defined as being unable to achieve a pregnancy after 12 months or more of regular, unprotected sex. It isn't a single "disease" but rather a sign that something is affecting how sperm is made, how it swims, or how it travels.
Nowadays, diagnostic tools allow specialists to pinpoint exactly where the issue lies. We look at three main areas: "pre-testicular" (hormone levels), "testicular" (how the testicles make sperm), or "post-testicular" (blockages preventing sperm from leaving the body). A semen analysis is the first and most important test. It checks your sperm count, "motility" (how well they swim), and "morphology" (their size and shape). It is key to have two semen analyses three months apart, as the results can vary a lot from day to day.
The good news is that many causes of male infertility are reversible. Issues like varicocoeles (swollen veins) or lifestyle factors can be addressed to improve sperm counts. Even in cases where there is no sperm in the ejaculate, modern micro-surgical techniques (such as mTESE) can find sperm directly from the source, allowing many men to become biological fathers through IVF.
What to Look For
Symptoms, Causes & Risk Factors
01
Common Symptoms
Difficulty conceiving: The most obvious sign is not being able to start a pregnancy after a year of trying.
Sexual function changes: Difficulty with erections (ED) or issues with ejaculation.
Scrotal changes: Pain, swelling, or a "bag of worms" feeling in the scrotum (usually a varicocoele).
Hormonal signs: Feeling tired or having a lower sex drive (libido).
Testicular size: Testicles that feel small or unusually firm.
02
When to Seek Help
The 12-month mark: If you have been trying for a baby for a year without success.
Abnormal test results: If a home test or private clinic has flagged your semen analysis as "abnormal."
If your testis feels abnormal or hard or you have noticed any changes
Medical history: If you have ever had a significant injury to your testicles, surgery in the groin, or mumps as an adult.
Steroid use: If you currently use, or have used, anabolic steroids for gym or athletic performance.
03
Potential Causes
Varicocoeles: Enlarged veins that cause the testicles to overheat, which "cooks" and damages the sperm.
Hormone imbalances: Low levels of the signals (LH and FSH) that tell your testicles to make sperm.
Lifestyle factors: Smoking, vaping, excessive alcohol, or being significantly overweight.
Genetic factors: Small changes in your DNA, such as Y-chromosome microdeletions.
Previous testicular surgery: such as an undescended testis or testicular torsion
Medical history: a history of diabetes or cystic fibrosis can explain abnormal semen parameters
04
Risk Factors
Smoking & Vaping: These are major "sperm killers" that damage the DNA inside each cell.
Obesity: Carrying extra weight increases the temperature in your groin and can turn your testosterone into oestrogen.
Heat Exposure: Frequently using hot tubs, saunas, or sitting with a hot laptop on your lap for hours.
Age: While men make sperm throughout life, the quality and volume naturally begin to dip as you get older
Poor Nutrition: A diet lacking in vital antioxidants and vitamins, with too much processed food.
Chronic Stress: High levels of cortisol (the stress hormone) can shut down the production of reproductive hormones.
Importance of Diagnosis
Why Early Diagnosis Matters
Infertility is often a "window" into your overall health. Sometimes, a fertility check-up can uncover serious underlying conditions that you might not have noticed, such as testicular cancer, pituitary gland issues, or metabolic disorders. Treating these conditions not only helps with fertility but is essential for your long-term wellbeing.
Getting a clear diagnosis also saves you and your partner a lot of time and emotional distress. By figuring out if the problem is a physical blockage or a production issue, your specialist can give you an accurate roadmap. This might be a simple surgical fix, or a recommendation for assisted treatments like ICSI (where a single sperm is injected directly into an egg).
Importance of Diagnosis
Diagnostic Options & Investigations
To accurately identify the cause of your symptoms, our specialists use a range of targeted investigations. Explore the diagnostic tests below to understand how we confirm a diagnosis and plan your recovery.
Living With Condition
Living With Male Infertility
- Varicocoele Repair (Embolisation or Microsurgery)
- Hormonal Therapy
- Surgical Sperm Retrieval (PESA/mTESE)
- Antibiotic therapy for infections
- ICSI (Intracytoplasmic Sperm Injection)
The most important thing to know is the 90-day window. It takes roughly three months for a new batch of sperm to fully mature. This means any positive changes you make today—like quitting smoking or improving your diet—won’t show up on a semen analysis for at least three months. Consistency is your most powerful tool; you have to stick with the changes to see the results.
Short-Term Complications
03- Emotional strain: High levels of stress, anxiety, or feelings of depression.
- Relationship pressure: The "scheduled" nature of trying to conceive can put a strain on intimacy.
- Impact on self-esteem: Many men feel a sense of inadequacy or loss of "masculinity" following a diagnosis.
Long-Term Complications
06- Permanent infertility: If progressive issues (like a growing varicocoele) are left untreated for years.
- Secondary health issues: Long-term low testosterone can affect bone density and heart health.
- Financial stress: The cost of multiple private IVF or ICSI cycles if NHS funding isn't available.
- The possibility that there are no sperm which can be retrieved and that you will not be a biological father.
- Low testosterone: An increased risk of low mood, libido and energy levels, as well as thin bones (osteoporosis) if the condition is linked to low testosterone.
- Metabolic health: A higher risk of weight gain or diabetes in certain genetic types of azoospermia.
Treatment Options
Treatment Options & Care Pathways
Explore the specialist interventions available for Male Infertility. We offer a range of evidence-based treatments designed to address your specific symptoms, focusing on long-term recovery and your personal health goals.
Specialists
Our specialists for Male Infertility
Leading experts for this condition. View profiles to see clinical backgrounds and current availability.
Our Commitment
Care you can trust
Every step of your care is delivered to the same standard: senior consultants, a personalised plan, and the safety of an accredited private hospital behind you.
Consultant-Led Excellence
Receive evidence-based care delivered by senior NHS consultants in a professional, specialist setting.
Personalised Care Plans
Your consultant will design a bespoke plan tailored to your condition, health goals and lifestyle.
Hospital-Grade Safety
We operate within leading private hospitals, adhering to strict CQC safety and technology standards.
A Heritage of Trust
Our partners bring decades of NHS and private experience, successfully managing thousands of patient cases.
Patient Guidance
Frequently Asked Questions
Common questions about specialist referrals and consultations.
3 questions
Actually, it does the opposite. Taking external testosterone (including anabolic steroids) 'tricks' the brain into thinking there is plenty of testosterone, which causes the brain to stop sending the signals needed for the testicles to produce sperm. This can lead to a sperm count of zero. If you are trying to conceive, you should stop all testosterone supplements under medical supervision.
Reviewed 2 Mar 2026
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A varicocoele is essentially a varicose vein in the scrotum. It causes infertility by allowing blood to pool and overheat the testicles, which are supposed to be 2-3 degrees cooler than the rest of the body. This heat damages sperm production and quality. Repairing the varicocoele is one of the most common and successful ways to improve natural fertility in men.
Reviewed 2 Mar 2026
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Not necessarily. Azoospermia can be 'obstructive' (a blockage) or 'non-obstructive' (a production issue). In many cases of non-obstructive azoospermia, there are still small pockets of sperm being produced inside the testicle. Techniques like microTESE (mTESE) allow us to search for these tiny areas under a microscope and retrieve sperm for use in IVF.
Reviewed 2 Mar 2026
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