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DNA Fragmentation Test in London

Sperm DNA Quality Analysis | Results in 24 Hours

BOOK YOUR DNA Fragmentation test NOW

Sperm DNA Quality Analysis | Results in 24 Hours

Gain deeper insight into sperm DNA quality and make informed decisions about your fertility with our discreet and accurate private testing in Marylebone.


💰 Price: £399 (Includes Consultation)
🧪 Code: MLDNA-FRAG
🕒 TAT: 24 Hours
💉 Sample: Semen

Don’t Leave Fertility to Chance

Your semen analysis may look normal—but sperm DNA damage can still affect fertility outcomes. Our DNA Fragmentation Test provides clear, actionable insight into your reproductive health and helps guide your next steps.

  • Accurate results for peace of mind
  • Discreet & private clinical service
  • Same-day collection available

If you are searching for:

Sperm DNA fragmentation test London • Male fertility testing near me • DNA damage sperm test • Private semen analysis London

You are in the right place.

What is DNA Fragmentation in Sperm?

DNA fragmentation refers to damage or breaks in the genetic material of sperm cells. This is a critical factor because even sperm that appear normal under a microscope can carry significant DNA damage.

High levels of fragmentation may lead to:

  • Reduced chances of natural conception
  • Impaired embryo development
  • Increased risk of miscarriage

Why it matters

Standard semen analysis measures count, motility, and morphology, but it doesn't look inside the "cargo" (the DNA). This test completes the fertility picture.

Why DNA Fragmentation Matters

A standard semen analysis is a great starting point, but it only looks at the surface. To truly understand male fertility, we must look deeper into the genetic integrity of the sperm.

Standard Analysis Checks:

  • Sperm Count (Quantity)
  • Motility (Movement)
  • Morphology (Shape)

Does not assess DNA quality.

High DNA Fragmentation (SDF) is linked to:

  • Reduced natural conception rates
  • Lower IVF / ICSI success rates
  • Increased risk of embryo arrest
  • Higher miscarriage risk

Who Should Consider This Test?

Male factor fertility contributes to roughly 50% of conception challenges. This test is highly recommended if you:

  • Have been trying to conceive without success
  • Have normal semen results but no pregnancy
  • Have experienced recurrent miscarriage
  • Have had failed IVF / ICSI cycles
  • Are over the age of 40
  • Have lifestyle risks (smoking, obesity, heat exposure)
  • Have a known varicocele
  • Want deeper insight before starting assisted reproduction

Understanding your SDF levels can be the turning point in your fertility journey.

How the Test Works

Our laboratory uses advanced, validated methods (such as SCSA, TUNEL, or SCD) to provide a precise measurement of genetic integrity.

  • Collection: Sample provided after 2–5 days of abstinence.
  • Analysis: Specialized staining and microscopy detect breaks in the DNA.
  • Measurement: Damage is calculated as a DNA Fragmentation Index (DFI).

What is DFI?

The DNA Fragmentation Index (DFI) represents the percentage of sperm cells with damaged DNA. A lower DFI generally correlates with better reproductive outcomes.

Understanding Your Results

Typical DNA fragmentation ranges and their general clinical significance:

<15–20%

Low / Optimal

High potential for natural conception and IVF success.

15–30%

Moderate / Borderline

May impact timing to pregnancy or assisted success rates.

>30%

High Fragmentation

Strongly associated with lower fertility and higher miscarriage risk.

*Interpretation depends on the testing method, clinical context, and overall fertility profile.

Our DNA Fragmentation Service

The Process

  • Sample: In-clinic or home (within 45 mins)
  • TAT: Fast 24-hour turnaround
  • Protocol: Strict lab accuracy standards

What's Included

  • Clear DFI result report
  • Doctor-led interpretation notes
  • Full Consultation included
  • Referral support for specialists

How to Prepare

To ensure the most accurate results, please follow these guidelines:

  • Abstain from ejaculation for 2–5 days.
  • Avoid heat (hot baths, saunas, laptops on lap).
  • Inform us of any medications or supplements.
  • Avoid intense exercise or fever before testing.
  • No lubricants or condoms during collection.

Pricing & Packages

DNA Fragmentation Test

Standalone Analysis

£399.00

Includes private phlebotomy/collection and expert consultation.

Book Standalone
Recommended

Comprehensive Fertility Profile

Semen + Hormones + DNA Test

£674.00
  • Detailed Semen Analysis
  • Full Male Hormone Panel
  • DNA Fragmentation Index (DFI)
Book Package

Related Fertility Tests

Semen Analysis

£179

Evaluates sperm count, motility, and morphology.

LEARN MORE

Male Hormone Panel

£124

Measures Testosterone, LH, FSH, Prolactin, and SHBG.

LEARN MORE

Comprehensive Fertility Package

£674

A complete overview combining multiple diagnostic tests.

LEARN MORE

Looking for something else?

Explore our full range of specialist fertility diagnostics and wellness screenings.

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Frequently Asked Questions

A DNA Fragmentation Test measures the level of damage in the genetic material of sperm. Even sperm that appear normal under a microscope may carry DNA damage, which can affect fertility and embryo development.
Common causes include Oxidative stress, Smoking/alcohol, Poor diet, Heat exposure (laptops, hot baths), Varicocele, Infections, Environmental toxins, and Ageing (especially over 40).
  • <15% – Low (optimal)
  • 15–30% – Moderate (may impact fertility)
  • >30% – High (associated with poorer fertility outcomes)
Yes, but high DNA damage may reduce the chances of successful fertilisation, implantation, and healthy embryo development.
A standard semen analysis assesses count, motility, and shape. A DNA Fragmentation Test evaluates the actual genetic integrity inside the sperm.
Yes. It is often recommended before assisted reproduction, especially in cases of unexplained infertility or previous IVF/ICSI failure.
Yes. Improvements in diet, sleep, stress management, exercise, and avoiding heat/toxins can help reduce DNA fragmentation over time.
Antioxidants such as Vitamin C, Vitamin E, CoQ10, Zinc, and Selenium may help reduce oxidative stress and support sperm DNA integrity.
Around 3 months, as this reflects one full sperm production cycle (spermatogenesis).
Recommended for those trying to conceive for 6-12+ months, men over 40, those preparing for IVF/ICSI, or those with a history of miscarriage.
No. It only requires a semen sample and involves no physical discomfort.
Highly accurate when performed using validated lab methods like SCSA or TUNEL. Results depend on proper sample handling and lab quality.
At Marylebone Diagnostic Centre, results are typically available within 24 hours.
Yes. Advance booking is required to ensure a private appointment slot and proper lab preparation.
Yes. Courier collection may be available under specific conditions, or you can travel to our Marylebone clinic for the sample collection.
Next steps may include lifestyle changes, antioxidant therapy, advanced sperm selection (ICSI), or repeat testing after intervention.
If undergoing treatment or lifestyle changes, repeat testing after 3–6 months is generally recommended.
No. It provides valuable insight but must be interpreted alongside other fertility assessments by your clinician.
No. We are a diagnostic centre. We provide accurate results to support your doctor or fertility specialist.

Location & Booking

Visit Our Clinic

📍 Address:
73 Baker Street, London

⏱ Results Turnaround:
Within 24 hours

Contact Details

📞 Call or WhatsApp:
+44 7495 970109

📧 Email:
info@marylebonelab.co.uk

Take Control of Your Fertility Journey

Concerned about your fertility? Don’t leave it to chance.

Accurate, discreet, and clinically valuable results delivered within 24 hours.

£399.00 (Includes Phlebotomy & Consultation)
Book Your DNA Fragmentation Test Now

Private & Confidential • Same-day appointments available

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