Oligospermia (Low Sperm Count): Causes & Treatment

Published in : Urology | November 22, 2025 |

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Low sperm count, also called oligospermia, is a common cause of male infertility. It refers to a condition where the semen contains fewer sperm cells than normal, reducing the chances of fertilizing an egg. In some cases, men with low sperm count may still conceive, but it becomes significantly more difficult. Identifying the low sperm count symptoms early and understanding the oligospermia causes are essential for timely medical care.

Understanding Low Sperm Count (Oligospermia)

Oligospermia Meaning

Oligospermia is defined as having fewer than 15 million sperm per milliliter of semen, based on World Health Organization (WHO) guidelines. The severity can vary:

  • Mild oligospermia: 10–15 million sperm/mL
  • Moderate oligospermia: 5–10 million sperm/mL
  • Severe oligospermia: less than 5 million sperm/mL

While sperm quality also matters, a low concentration directly reduces the likelihood of successful conception. In extreme cases, men may face azoospermia, a condition where no sperm are present.

Low Sperm Count Symptoms

Often, oligospermia symptoms are subtle and may go unnoticed until couples face difficulties conceiving. However, there are several signs to look out for:

Difficulty Conceiving

The most common symptom is the inability to achieve pregnancy despite regular, unprotected intercourse.

Hormonal Imbalances

  • Low Testosterone levels can lead to reduced sex drive,fatigue, and mood changes.
  • Decreased facial or body hair may also indicate underlying hormonal issues.

Physical Symptoms

  • Pain, swelling, or a lump in the testicles.
  • Recurrent respiratory infections, sometimes linked to genetic conditions affecting sperm motility.

Sexual Health Issues

  • Erectile dysfunction.
  • Reduced ejaculate volume.
  • Difficulty maintaining sexual desire.

Low Sperm Count Causes

Several oligospermia causes can affect sperm production and quality. These may be medical, lifestyle-related, or environmental:

1. Medical Causes

  • Varicocele: Enlarged veins in the scrotum that impair sperm development.
  • Infections: Sexually transmitted infections (STIs) or prostatitis can damage sperm health.
  • Hormonal Disorders: Low testosterone, pituitary gland disorders, or thyroid problems.
  • Genetic Conditions: Klinefelter’s syndrome or Y-chromosome abnormalities.
  • Ejaculation Issues: Retrograde ejaculation, where semen enters the bladder instead of exiting through the penis.

2. Lifestyle Causes

  • Excessive alcohol consumption.
  • Smokingand drug use.
  • Poor diet lacking essential vitamins and minerals.
  • Stress and sleep deprivation.

3. Environmental Causes

  • Prolonged exposure to toxins and chemicals.
  • Excessive heat from saunas, laptops, or tight clothing.
  • Radiation or heavy metal exposure.

Understanding these low sperm count causes helps in planning effective oligospermia treatment tailored to individual needs.

Oligospermia Treatment

Treatment for low sperm count depends on the underlying cause and severity.

1. Medical Treatments

  • Hormonal Therapy: For men with low testosterone or pituitary gland disorders.
  • Antibiotics: If infections are responsible for damaging sperm production.
  • Surgery: Correcting varicocele or repairing blockages in reproductive organs.

2. Assisted Reproductive Techniques (ART)

  • Intrauterine Insemination (IUI): Direct placement of sperm into the uterus.
  • In Vitro Fertilization (IVF): Egg fertilization outside the body, followed by embryo transfer.
  • Intracytoplasmic Sperm Injection (ICSI): Injecting a single sperm into an egg, effective even with very low sperm count.
  • Oocyte Retrieval: A key step in IVF where mature eggs are collected from the female partner to be fertilized in the lab.

3. Lifestyle Modifications

  • Maintaining a balanced diet rich in zinc, vitamin C, and folic acid.
  • Reducing alcohol and quitting smoking.
  • Managing stress through meditation and exercise.
  • Avoiding heat exposure to the testicular region.

These strategies not only improve sperm count but also enhance overall reproductive health.

Risk Factors for Low Sperm Count

Certain factors increase the risk of developing oligospermia:

  • Age (men over 40 may see declining fertility).
  • Obesity and sedentary lifestyle.
  • Long-term medication use (steroids, chemotherapy drugs).
  • Family history of infertility.

When to See a Doctor?

It’s important to seek medical advice if:

  • You’ve been trying to conceive for over a year without success.
  • You experience low sperm count symptoms like testicular pain, swelling, or reduced sexual desire.
  • You have a history of testicular surgery, STIs, or hormonal disorders.

Sparsh Hospitals, known for its excellence in men’s health and fertility care, provides expert evaluation and advanced diagnostic tests, ensuring accurate detection of oligospermia causes and customized oligospermia treatment plans.

Conclusion

Low sperm count, or oligospermia, is a significant contributor to male infertility. While it can be caused by medical conditions, lifestyle habits, or environmental exposures, timely diagnosis and appropriate treatment can make a major difference. With advanced fertility solutions such as hormonal therapy, surgical intervention, and ART techniques like Oocyte Retrieval and ICSI, Sparsh Hospitals offers comprehensive care for men facing infertility challenges.

If you are experiencing oligospermia symptoms or suspect low testosterone and related fertility issues, consult the experts at the Best Urology Hospital in Bangalore. With the guidance of the best urology doctor in Bangalore, achieving parenthood is no longer out of reach.

Frequently Asked Questions

What is the meaning of oligospermia?

Oligospermia meaning: It refers to a condition where the sperm count in semen is lower than 15 million sperm per milliliter, leading to reduced chances of conception.

What are common oligospermia symptoms?

Common signs include difficulty conceiving, low sex drive due to low testosterone, testicular pain or swelling, and changes in body hair growth.

Can lifestyle changes improve low sperm count?

Yes, adopting a healthy diet, quitting smoking, limiting alcohol, exercising regularly, and reducing stress can significantly improve sperm production.

What is the best treatment for low sperm count?

The treatment depends on the oligospermia causes. Options include hormonal therapy, antibiotics, surgery, or advanced fertility methods like IVF and ICSI. Consulting the best urology doctor in Bangalore is the first step toward an effective solution.


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