What Is Male Infertility?

Male infertility is the inability to cause pregnancy after 12 months of regular, unprotected intercourse. It is almost always related to problems with sperm, too few, poor movement, abnormal shape, or a physical blockage preventing sperm from reaching the semen.

The good news is that many of these causes are treatable, and identifying the right one early makes a significant difference in outcomes.

Fertility problems can involve either partner, and in many couples both male and female factors contribute. A complete fertility evaluation often includes assessment of both partners to identify the most effective treatment path. This is why a semen analysis is typically one of the first tests requested, it is non-invasive, affordable, and gives immediate diagnostic direction.

When to seek evaluation: The standard recommendation is after 12 months of regular, unprotected intercourse. This shortens to 6 months if the female partner is over 35. If there is a known male risk factor, such as prior varicocele, undescended testicle, testicular injury, or a history of mumps, evaluation should not wait for 12 months.

Symptoms That May Point to a Problem

Most men with infertility look and feel completely healthy. That said, certain signs can indicate an underlying issue worth investigating:

• No obvious symptoms: The majority of men with a low sperm count or poor sperm quality have no symptoms. The only indicator is an inability to conceive.
• Pain, swelling, or a lump in the testicle: This may suggest varicocele, infection, or a mass affecting sperm production.
• Reduced sex drive or erectile difficulty: Can reflect low testosterone or a pituitary gland problem that also affects sperm production.
• Decreased facial or body hair: A sign of hormonal imbalance, particularly low testosterone.
• History of undescended testicle, groin surgery, or testicular injury: All of these can affect sperm production or delivery.

If you have been trying to conceive for over a year without success, a semen analysis is the right starting point — regardless of whether any of the above apply.

Common Causes

Varicocele — Enlarged veins in the scrotum that raise testicular temperature and damage sperm. This is the most common surgically correctable cause of male infertility, found in about 40% of men evaluated. Dr. Ravish performs microsurgical varicocelectomy to repair this with precision.

Hormonal imbalance — Low testosterone, elevated prolactin, or FSH/LH abnormalities can suppress sperm production. These are identified through blood tests and often respond well to targeted medication.

Obstructive causes — Blockages in the vas deferens or epididymis (from prior infection, vasectomy, or congenital absence) prevent sperm from exiting the body even when production is normal. Surgical reconstruction or sperm retrieval are options depending on the case.

Non-obstructive azoospermia — No sperm in the ejaculate despite no blockage. Sperm may still be present inside the testis and can be retrieved surgically for use in IVF/ICSI.

Genetic conditions — Klinefelter syndrome, Y chromosome microdeletions, and cystic fibrosis gene mutations can affect fertility. Genetic testing is recommended when sperm counts are severely low or absent.

Infections — Mumps orchitis, sexually transmitted infections, and prostatitis can damage sperm-producing tissue or block sperm pathways.

Lifestyle factors — Smoking, heavy alcohol use, obesity, anabolic steroid use, and prolonged heat exposure all reduce sperm count and quality. These are often the first things to address.

How Male Infertility Is Diagnosed

A proper evaluation at Nephro Uro Clinic typically involves:

Semen analysis — The essential first test. It measures sperm count, motility (movement), morphology (shape), and volume. Samples are collected after 2–5 days of abstinence for accurate interpretation. Two samples collected 2–4 weeks apart give the most reliable picture.

Hormone panel — Blood tests for testosterone, FSH, LH, and prolactin. This identifies whether a hormonal issue is limiting sperm production.

Scrotal ultrasound — Detects varicocele, cysts, or structural abnormalities in the testicle and epididymis.

Genetic testing — Recommended when sperm count is below 5 million/ml or when no sperm is found. Helps identify inherited conditions before treatment decisions are made.

Testicular biopsy — Used when semen shows no sperm to determine whether sperm production is actually occurring inside the testis. In some cases, sperm retrieved during biopsy can be used directly for ICSI.

Transrectal ultrasound (TRUS) — Examines the prostate and seminal vesicles when ejaculatory duct obstruction is suspected.

Treatment Options

Treatment depends entirely on what the diagnosis shows. For anyone seeking male infertility treatment in Bengaluru, Dr. Ravish takes a structured approach — correcting what can be corrected surgically or medically before recommending assisted reproduction.

Lifestyle changes — For men with lifestyle-related sperm problems, quitting smoking, reducing alcohol, losing weight, and avoiding heat exposure can meaningfully improve semen parameters within 3 months.

Lifestyle Changes That Can Improve Male Fertility

For men with borderline semen parameters or no identified structural cause, lifestyle optimisation is the first and lowest-risk intervention. These changes also improve outcomes after surgical treatment:

• Stop smoking and tobacco use: Smoking damages sperm DNA and reduces count and motility
• Limit alcohol: Heavy drinking lowers testosterone and suppresses sperm production
• Maintain a healthy weight: Obesity raises scrotal temperature and disrupts hormone levels
• Avoid anabolic steroids: These shut down the body’s own testosterone and sperm production, sometimes permanently
• Improve sleep and manage stress: Chronic sleep deprivation and stress elevate cortisol, which suppresses reproductive hormones
• Avoid prolonged heat exposure: Hot baths, saunas, tight underwear, and laptops on the lap raise scrotal temperature above the level needed for healthy sperm production
• Review medications: Some common medications affect sperm. Mention all current medications at your consultation

Most lifestyle improvements take 3 months to show measurable change in semen parameters, reflecting the time needed for a new sperm production cycle.

Preventing Male Infertility

Not all causes are preventable, but these habits significantly reduce risk:

• Get vaccinated against mumps and practice safe sex to prevent infection-related damage
• Avoid occupational exposure to pesticides, heavy metals, and radiation where possible
• Treat varicocele early if diagnosed — delaying repair allows ongoing sperm damage
• Have an annual check if you have a known risk factor such as prior undescended testicle or family history of genetic conditions

Hormonal therapy: Clomiphene citrate, hCG injections, or FSH supplementation are used when a hormonal cause is identified. These stimulate the body’s own sperm production rather than bypassing it.

Microsurgical varicocelectomy: Dr. Ravish performs this under high magnification to tie off the enlarged veins while protecting surrounding structures. Studies consistently show improvement in sperm count and motility following varicocele repair, and natural conception becomes possible in many cases. Improvement typically takes 3–6 months because sperm production cycles take that long to reflect the change.

Vasovasostomy / Epididymovasostomy: Surgical reconnection of blocked or cut vas deferens. Used after vasectomy reversal or when epididymal blockage is identified.

Surgical sperm retrieval (TESA / PESA / micro-TESE): For men with no sperm in the ejaculate, sperm can often be retrieved directly from the testis or epididymis. Retrieved sperm is used with ICSI to achieve fertilization.

Assisted reproduction (IUI / IVF / ICSI): When natural or surgical correction is not sufficient, assisted reproductive techniques are the next step. ICSI — where a single sperm is injected directly into an egg — is highly effective even when sperm counts are very low.

Consult Dr. Ravish for Male Infertility Treatment in Bengaluru

Book a consultation at Nephro Uro Clinic, Jayanagar, or Sagar Hospitals, Tilaknagar, if:

• You have been trying to conceive for 12 months (or 6 months if your partner is over 35) without success
• You have a known history of varicocele, undescended testicle, or groin surgery
• A semen analysis has returned abnormal results
• You have previously been told you have a low sperm count

Dr. Ravish practices at Nephro Uro Clinic, Jayanagar, and also consults at Sagar Hospitals, Tilaknagar. Both locations serve patients across South Bengaluru.