Specialist andrologist performing a microscopic semen analysis following vasectomy reversal surgery to identify the presence of motile sperm and evaluate recovery progress.
All Tests

Vasectomy Reversal Semen Analysis

Biomarkers Tested

Sperm presence, Concentration, Motility, Morphology

£220.00 ✓ In Stock

Results ready within 3 working days

UKAS accredited laboratory, ISO 15189.

3 working days Semen sample
Lab visit — Central London
CQC registered Accredited UK labs ISO 15189

How it works

Your semen analysis journey

Semen analyses are performed at our partner andrology laboratory in Central London. Here's what to expect from order to results.

1
Order confirmation by email

Purchase your test

Order online and you'll receive a confirmation email with your test reference and full booking instructions within minutes.

2
Book your appointment online or by phone

Book your appointment

Book directly with The Doctors Laboratory online or by phone. Appointments available Mon–Fri 7am–7pm and Saturday 7am–1pm.

Book online at TDL Call 020 7025 7940
3
Prepare at home before your appointment

Prepare at home

Abstain from ejaculation for 2–5 days before your appointment. Avoid alcohol, saunas, and hot baths for 3 days. Stay hydrated and try to relax — stress can affect your sample quality.

4
Attend the laboratory in central London

Attend the laboratory

Visit TDL at 76 Wimpole Street, London W1G 9RT. You'll be shown to a private, comfortable room to produce your sample. The laboratory staff are professional and discreet — this is routine for them.

£50 attendance fee paid at lab
5
Receive your results securely by email

Receive your results

Results are ready within 2 working days and delivered securely to your email. Your full report includes all parameters tested with WHO 2021 reference ranges.

Address
The Doctors Laboratory
76 Wimpole Street
London W1G 9RT
Opening hours
Mon–Fri: 7am–7pm
Saturday: 7am–1pm
Nearest tube
Oxford Circus (5 min)
Bond Street (7 min)
Contact
andrology@tdlpathology.com
020 7025 7940
£50 attendance fee: A £50 fee is payable directly to The Doctors Laboratory when you arrive. This covers the use of their facilities and is separate from the test price shown above.
Tip: Parking meters are free until 8:30am. For later appointments, use Q-Park at Cavendish Square (5 min walk). The laboratory is in the central London congestion charge zone.

Vasectomy Reversal Semen Analysis

Monitor your fertility recovery after vasectomy reversal surgery

After vasectomy reversal surgery, this comprehensive semen analysis monitors whether sperm production has resumed and assesses the quality of your sperm. The test examines sperm count, motility (movement), morphology (shape), and other key parameters following WHO 2021 guidelines—giving you and your surgeon a clear picture of your fertility recovery.

Vasectomy reversal success rates vary depending on how long ago the original vasectomy was performed. Regular monitoring after surgery helps track your progress and informs decisions about natural conception or assisted fertility treatments. Your first test is typically performed around 12 weeks after surgery, with follow-up tests recommended at intervals to monitor improvement.

ℹ️ Note: Sperm may not appear immediately after reversal surgery. It can take several months for sperm production to resume and for counts to stabilise. Multiple tests over time give the most accurate picture of your fertility recovery.

📅 Recommended Testing Timeline

Week 12
First Test Initial assessment to check if sperm are present. Don't be discouraged if counts are low or absent—it can take time for production to resume.
Month 4–6
Follow-Up Test Assess improvement in sperm count and motility. Many men see significant improvement during this period.
Month 9–12
Progress Review Evaluate overall recovery. Sperm parameters typically stabilise by 12 months post-surgery.
Ongoing
As Advised Your surgeon may recommend additional tests based on your results and fertility goals.

This is a full comprehensive semen analysis following WHO 2021 guidelines. We assess over 12 parameters to give you a complete picture of your fertility recovery:

Sperm Concentration

How many sperm are in each millilitre—the key indicator that sperm production has resumed.

Normal: ≥16 million/mL
Total Sperm Count

The total number of sperm in your entire sample, combining concentration with volume.

Normal: ≥39 million
Progressive Motility

The percentage of sperm swimming forward effectively—essential for natural conception.

Normal: ≥30%
Total Motility

The overall percentage of sperm that are moving, including those not swimming forward.

Normal: ≥42%
Morphology

The percentage of sperm with normal shape—head, midpiece, and tail correctly formed.

Normal: ≥4% normal forms
Vitality

The percentage of live sperm, helping distinguish between dead and live immotile sperm.

Normal: ≥54%
Semen Volume

The total amount of ejaculate produced.

Normal: ≥1.5 mL
pH Level

Whether semen is appropriately alkaline for sperm survival.

Normal: ≥7.2
Liquefaction

How quickly semen changes from gel to liquid.

Normal: Complete by 60 min
Viscosity

How thick or thin the semen is after liquefaction.

Normal: Flows freely
Appearance

Visual assessment for colour and opacity.

Normal: Grey-white, opalescent
Agglutination

Whether sperm are clumping together—important after reversal as antibodies may be present.

Normal: None/minimal

Timing: Your surgeon will advise when to have your first test—typically around 12 weeks after your reversal surgery. Follow their guidance on testing intervals.

Abstinence: Avoid ejaculation for 2–5 days before your test. Less than 2 days may give a lower count; more than 7 days may affect motility and increase abnormal forms.

Lifestyle: For the best sample quality, avoid alcohol, recreational drugs, hot baths, saunas, and steam rooms for at least 3 days before your test.

On the day: When you arrive, you'll be shown to a private room. Wash your hands and genitals with soap and water before producing your sample. Do not use lubricants, saliva, or condoms as these can affect results.

Collect everything: It's important to collect the entire ejaculate. The first portion contains the highest concentration of sperm. If any is lost, tell the laboratory staff.

Recent illness: If you've had a fever or infection recently, let the laboratory know. You may be advised to reschedule, as illness can temporarily affect sperm production.

What if no sperm are found on my first test?
Don't be discouraged. It can take several months for sperm production to resume after reversal surgery. Your surgeon may recommend repeating the test in 2–3 months. Some men don't see sperm until 6 months or longer post-surgery.

What's a good result after vasectomy reversal?
The goal is to see sperm present with reasonable motility. Even if counts are lower than WHO normal values, natural conception is often still possible. Your surgeon can advise based on your specific results and your partner's fertility status.

Why might I have anti-sperm antibodies?
After vasectomy, some men develop antibodies against their own sperm. These can persist after reversal and may cause sperm to clump together (agglutination). If antibodies are suspected, additional testing (MAR test) may be recommended.

How many tests will I need?
Most surgeons recommend at least 2–3 tests over the first year to monitor recovery. The frequency depends on your results and fertility goals. If counts are improving, fewer tests may be needed.

What if my results aren't improving?
If sperm counts remain very low or absent after 12 months, your surgeon may discuss options including repeat surgery, sperm retrieval procedures (PESA/MESA), or assisted fertility treatments like IVF/ICSI.

Can I produce my sample at home?
No. For comprehensive semen analysis, the sample must be produced on-site at the laboratory. This ensures the sample is analysed within the optimal time window and at the correct temperature for accurate results.

Important Information

This test provides laboratory results only—not a medical diagnosis. Sperm quality can vary naturally from day to day, and recovery after vasectomy reversal takes time. A single test showing low or absent sperm doesn't mean the reversal has failed—multiple tests over several months give the most accurate picture.

Results are delivered without clinical interpretation. We recommend sharing your results with your surgeon or fertility specialist who can put them in context with your recovery timeline and advise on next steps.

Timing: Testing schedule varies — your surgeon will advise. First test is typically 6-8 weeks post-reversal, with follow-up tests at 3, 6, and 12 months.

Abstinence: 2-5 days before collection.

Sample Delivery: Within 1 hour, kept at body temperature.

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No clinics, no queues, no hassle

Four steps to clarity

Pick your panel
01

Pick your panel

Browse over 200 clinically designed test kits and choose the one that fits your goals.

Kit to your door
02

Kit to your door

Everything you need arrives in discreet packaging with step-by-step instructions inside.

Collect your sample
03

Collect your sample

Follow the simple instructions in your kit - whether it is a finger-prick at home or a venous draw at a partner clinic, your test page will guide you.

Insights delivered
04

Insights delivered

Clear, easy-to-understand results sent to you online with actionable health guidance.