Low Sperm Count: Causes & Treatment

Are you concerned about low sperm count and its impact on your fertility? Having a low sperm count, also known as oligospermia, means that the number of sperm in your semen is below the normal range. This can reduce the chances of conceiving. As a fertility specialist practicing in Chennai, I understand the concerns and anxieties this can cause. Let's explore the causes, diagnosis, and available treatment options for low sperm count.

What Is Low Sperm Count?

Low sperm count, or oligospermia, is defined as having fewer than 15 million sperm per milliliter of semen. According to WHO reference values, a total sperm number of ≥39 million spermatozoa per ejaculate is considered normal. Having a lower sperm count can significantly impact a couple's ability to conceive naturally. While some men with low sperm count can still father a child without assistance, the chances are statistically lower. The severity of oligospermia is categorized as mild (10-15 million sperm/mL), moderate (5-10 million sperm/mL), and severe (less than 5 million sperm/mL). The lower the sperm count, the more challenging it may be to achieve pregnancy without medical intervention. It's important to note that male infertility contributes to approximately 40-50% of infertility cases in couples. In my clinical experience, many couples are unaware of the male factor until a semen analysis is performed. The WHO guideline underscores that the diagnosis of unexplained infertility requires normal history and physical examination in both partners and not semen testing alone.

It's crucial to differentiate low sperm count from azoospermia, which is the complete absence of sperm in the ejaculate. Azoospermia requires a different diagnostic and treatment approach. Patients often ask me about the difference between sperm count and sperm quality. While sperm count refers to the quantity of sperm, sperm quality encompasses factors like sperm motility (ability to move) and morphology (shape). Both quantity and quality are essential for successful fertilization. Therefore, a comprehensive semen analysis evaluates all these parameters to provide a complete picture of male fertility.

Causes and Risk Factors of Low Sperm Count

Several factors can contribute to low sperm count. Understanding these causes is crucial for proper diagnosis and treatment.

• Varicocele: This is an enlargement of the veins within the scrotum, similar to varicose veins in the legs. Varicoceles are one of the most common reversible causes of male infertility. They can increase the temperature around the testicles, which can impair sperm production.
• Infections: Some infections can interfere with sperm production or sperm transport. These include epididymitis (inflammation of the epididymis) and orchitis (inflammation of the testicles). Sexually transmitted infections (STIs) like chlamydia and gonorrhea can also cause infertility.
• Hormonal Imbalances: The testicles produce sperm under the influence of hormones secreted by the pituitary gland and hypothalamus. Imbalances in hormones like testosterone, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) can impair sperm production.
• Genetic Abnormalities: Certain genetic conditions, such as Klinefelter syndrome (where a male has an extra X chromosome), can cause abnormal development of the reproductive organs and lead to low sperm count or azoospermia. AUA/ASRM recommends Y-chromosome microdeletion analysis for males with primary infertility and azoospermia or sperm concentration ≤1 million sperm/mL when accompanied by elevated FSH, testicular atrophy, or a diagnosis of impaired sperm production.
• Ejaculation Problems: Retrograde ejaculation, where semen enters the bladder instead of being ejaculated out of the penis, can result in a low or absent sperm count in the ejaculate.
• Medications: Certain medications, such as anabolic steroids, chemotherapy drugs, and some antidepressants, can negatively impact sperm production.
• Exposure to Chemicals and Toxins: Exposure to industrial chemicals, pesticides, and heavy metals can reduce sperm count and quality.
• Lifestyle Factors: Several lifestyle factors can affect sperm production. These include:
  • Smoking: Smoking damages sperm DNA and reduces sperm count and motility.
  • Excessive Alcohol Consumption: Excessive alcohol intake can lower testosterone levels and impair sperm production.
  • Obesity: Obesity can disrupt hormone balance and reduce sperm count.
  • Prolonged Heat Exposure: Frequent use of hot tubs, saunas, and wearing tight-fitting clothing can increase the temperature around the testicles and impair sperm production.
• Medical Conditions: Certain medical conditions, such as diabetes, celiac disease, and cystic fibrosis, can contribute to male infertility.

It's also important to note that some men may have idiopathic oligospermia, meaning the cause of their low sperm count is unknown. In many cases, a combination of factors may be responsible.

Signs and Symptoms of Low Sperm Count

In many cases, low sperm count doesn't present with obvious signs or symptoms. Most men are unaware they have a low sperm count until they try to conceive and are unable to do so. However, some potential signs and symptoms may include:

• Inability to Conceive: This is the most common sign of low sperm count. If a couple has been trying to conceive for a year or more without success, it may be a sign of male infertility.
• Sexual Dysfunction: Some men with low sperm count may experience decreased libido (sexual desire), erectile dysfunction (difficulty getting or maintaining an erection), or difficulty with ejaculation.
• Pain, Swelling, or Lumps in the Testicles: These symptoms may indicate a varicocele or other testicular problems that can affect sperm production.
• Decreased Facial or Body Hair: This may suggest a hormonal imbalance that can impact sperm production.

It's important to remember that these symptoms are not always indicative of low sperm count. Other medical conditions can also cause similar symptoms. If you are experiencing any of these issues, it's essential to consult a healthcare professional for proper evaluation and diagnosis.

How Low Sperm Count Is Diagnosed

Diagnosing low sperm count involves a thorough evaluation, including a medical history, physical examination, and semen analysis.

• Medical History: The doctor will ask about your medical history, including any past illnesses, surgeries, medications, and lifestyle factors that may affect fertility.
• Physical Examination: The doctor will perform a physical examination to check for any abnormalities in the reproductive organs, such as varicoceles or testicular masses.
• Semen Analysis: This is the most important test for diagnosing low sperm count. The test involves collecting a semen sample, usually through masturbation, and sending it to a laboratory for analysis. The semen analysis evaluates several parameters, including:
  • Sperm Count: The number of sperm per milliliter of semen.
  • Sperm Motility: The percentage of sperm that are moving and their ability to swim forward.
  • Sperm Morphology: The percentage of sperm that have a normal shape.
  • Semen Volume: The amount of semen produced.
  • Semen pH: The acidity or alkalinity of the semen.
  • White Blood Cells: The presence of white blood cells, which may indicate an infection.

According to AUA/ASRM guidelines, it's recommended to obtain at least two semen analyses, ideally a month apart, especially if the first specimen is abnormal. This helps to confirm the diagnosis and rule out any temporary fluctuations in sperm count. If the semen analysis reveals a low sperm count, further testing may be recommended to determine the underlying cause. These tests may include:

• Hormone Testing: Blood tests to measure hormone levels, such as testosterone, FSH, and LH.
• Genetic Testing: Chromosomal analysis to identify any genetic abnormalities that may be contributing to infertility.
• Scrotal Ultrasound: Imaging test to visualize the testicles and surrounding structures to check for varicoceles or other abnormalities.
• Transrectal Ultrasound: To rule out ejaculatory duct obstruction.
• Vasography: An X-ray test that involves injecting dye into the vas deferens (the tube that carries sperm from the testicles) to check for blockages.

Treatment Options for Low Sperm Count in Chennai

Treatment for low sperm count depends on the underlying cause and the severity of the condition. As a fertility specialist in Chennai, I offer a range of treatment options tailored to each individual's specific needs.

• Lifestyle Modifications: In many cases, making lifestyle changes can significantly improve sperm count and quality. These include:
  • Diet: Eating a healthy diet rich in fruits, vegetables, and lean proteins. Limiting processed foods, saturated fats, and sugary drinks. Studies show that nut consumption and a healthy dietary pattern may reverse infertility.
  • Exercise: Regular physical activity can improve sperm production.
  • Weight Management: Maintaining a healthy weight can improve hormone balance and sperm count.
  • Smoking Cessation: Quitting smoking is crucial for improving sperm health.
  • Limiting Alcohol Consumption: Reducing alcohol intake can improve testosterone levels and sperm production.
  • Stress Management: Managing stress through techniques like yoga, meditation, or counseling can improve overall health and fertility.
  • Avoiding Heat Exposure: Avoiding hot tubs, saunas, and prolonged laptop use on the lap can help keep the testicles cool and improve sperm production.
• Medications:
  • Hormone Therapy: If hormonal imbalances are contributing to low sperm count, hormone therapy may be prescribed to restore normal hormone levels. Clomiphene citrate may be prescribed to stimulate hormone production.
  • Antibiotics: If an infection is present, antibiotics may be prescribed to clear the infection and improve sperm production.
• Surgery:
  • Varicocelectomy: If a varicocele is identified as the cause of low sperm count, surgery may be performed to correct the varicocele and improve sperm production.
• Assisted Reproductive Technologies (ART): If lifestyle modifications, medications, or surgery are not successful, ART may be recommended. These include:
  • Intrauterine Insemination (IUI): This involves placing sperm directly into the woman's uterus around the time of ovulation. IUI can be helpful for men with mild to moderate low sperm count or motility problems. IUI can cost between ₹10,000 to ₹20,000 per cycle.
  • In Vitro Fertilization (IVF) with Intracytoplasmic Sperm Injection (ICSI): IVF involves fertilizing eggs with sperm in a laboratory dish. ICSI is a technique where a single sperm is injected directly into an egg. IVF with ICSI is often recommended for men with severe low sperm count or motility problems. IVF with ICSI can range from ₹150,000 to ₹300,000 or more.
  • Sperm Retrieval Techniques: In cases of azoospermia (no sperm in the ejaculate), sperm can be retrieved directly from the testicles using techniques like testicular sperm aspiration (TESA) or micro-TESE. These retrieved sperm can then be used for IVF with ICSI.

The choice of treatment will depend on the individual's specific circumstances, including the underlying cause of low sperm count, the severity of the condition, and the couple's overall fertility goals.

Lifestyle Changes and Prevention

Adopting a healthy lifestyle can not only improve sperm count but also prevent it from declining. Here are some key lifestyle changes to consider:

• Maintain a Healthy Diet: Focus on a balanced diet rich in fruits, vegetables, whole grains, and lean proteins. Include foods high in antioxidants, such as berries, leafy greens, and nuts, to protect sperm from damage. Limit processed foods, sugary drinks, and excessive caffeine intake.
• Engage in Regular Exercise: Aim for at least 30 minutes of moderate-intensity exercise most days of the week. Exercise can improve hormone balance, reduce stress, and improve overall health, all of which can benefit sperm production.
• Maintain a Healthy Weight: Obesity can disrupt hormone balance and reduce sperm count. Losing weight if you are overweight or obese can improve sperm production.
• Quit Smoking: Smoking is detrimental to sperm health and can significantly reduce sperm count and motility. Quitting smoking is one of the most important steps you can take to improve your fertility.
• Limit Alcohol Consumption: Excessive alcohol intake can lower testosterone levels and impair sperm production. Limit alcohol consumption to no more than one or two drinks per day.
• Manage Stress: Chronic stress can negatively impact hormone balance and sperm production. Practice stress-reducing techniques such as yoga, meditation, or spending time in nature.
• Avoid Exposure to Toxins: Minimize exposure to industrial chemicals, pesticides, and heavy metals. If your job involves working with these substances, take appropriate safety precautions.
• Keep Testicles Cool: Avoid hot tubs, saunas, and prolonged laptop use on the lap. Wear loose-fitting underwear to keep the testicles cool.

These lifestyle changes can have a significant impact on sperm health and overall fertility.

When to See a Fertility Specialist

If you and your partner have been trying to conceive for a year or more without success, it's time to seek professional help. A fertility specialist can evaluate both partners to identify any underlying fertility issues and recommend appropriate treatment options.

Specifically, you should consult a fertility specialist if you experience any of the following:

• Low Sperm Count: If a semen analysis reveals a low sperm count, a fertility specialist can help determine the underlying cause and recommend treatment options to improve sperm production.
• Erectile Dysfunction or Decreased Libido: These symptoms may indicate a hormonal imbalance or other medical condition that can affect fertility.
• Pain, Swelling, or Lumps in the Testicles: These symptoms may indicate a varicocele or other testicular problems that can affect sperm production.
• Previous Surgeries or Medical Conditions: If you have a history of surgeries or medical conditions that may affect fertility, a fertility specialist can evaluate your situation and recommend appropriate treatment options.

As a fertility specialist practising across multiple locations in Chennai, I am committed to providing personalized and comprehensive care to help couples achieve their dream of parenthood. For personalised guidance, book a consultation with Dr. Rukkayal Fathima.