About the Authors

Written By: Dr. S. Pradeepa Sudhakar

Senior IVF Consultant and Vice President at Sudha Fertility Centre, sharing over two decades of clinical expertise in male and female reproductive medicine. She simplifies complex surgical sperm retrieval methods like TESA and PESA into clear, empowering insights for couples experiencing severe male infertility.

Medical Reviewer: Dr. S. Dhanabagyam

Founder and Chief Fertility Specialist at Sudha Fertility Centre, bringing more than 40 years of pioneering infertility expertise to the region. She rigorously verifies clinical accuracy to ensure every piece of medical information regarding advanced reproductive techniques meets the highest global standards of patient safety.

Quick Summary

• Minimally Invasive Options: The TESA and PESA sperm retrieval family consists of quick, outpatient techniques that extract viable cells without requiring large surgical incisions or deep tissue stitches.
• The Clinical Objective: Specialists perform these procedures to harvest healthy gametes from the reproductive tract of men diagnosed with a complete absence of sperm in their ejaculate (azoospermia).
• Anatomical Differences: PESA collects mature sperm directly from the epididymis to bypass physical blockages, while TESA extracts tissue samples straight from the seminiferous tubules within the testicles.
• Rapid Patient Recovery: Both treatments utilize high-precision local anaesthesia to block pain entirely, allowing men to comfortably return to light daily work routines within 24 to 48 hours.
• Advanced Lab Pairing: Because surgically retrieved sperm cannot swim effectively on their own, clinicians must pair them with specialized IVF and ICSI laboratory procedures to manually facilitate fertilization.

An azoospermia diagnosis, meaning zero sperm in the ejaculate, sounds final. But it isn’t. Modern sperm retrieval techniques like TESA and PESA allow most men with this diagnosis to father a biological child. With advanced laboratory advancements, fertility experts extract sperm from you and use it for fertility procedures without needing traditional open surgery. This allows couples experiencing severe male factor delays to achieve a successful pregnancy using their own genetic material.

This guide breaks down in detail how these needle-based and microsurgical techniques work, what happens during the pre-procedure workup, and how they help you take the next confident step toward building your family.

What are TESA and PESA?

TESA and PESA are specialized techniques that specialists use to extract viable sperm cells directly from the male reproductive system. Doctors recommend these options when a diagnostic semen analysis confirms that a standard sample contains no sperm.

• TESA stands for Testicular Sperm Aspiration
• PESA stands for Percutaneous Epididymal Sperm Aspiration

Instead of performing traditional open surgery that requires deep incisions and structural stitches, the medical team passes a very fine needle gently through the numbed skin. They use a high-precision local anaesthetic to block the pain entirely. These methods are minimally invasive procedures that access sperm without traditional surgery.

Once the sperm is successfully retrieved, the embryology laboratory processes the cells. The team combines them with In Vitro Fertilization (IVF) and Intracytoplasmic Sperm Injection (ICSI) to fertilize the female partner’s eggs. While both procedures share the same objective, they target different parts of the male anatomy based on why the sperm is missing from the ejaculate. Testing for these unique anatomical hurdles forms the core part of getting an Azoospermia Explained diagnosis, allowing your care team to find the exact origin of the problem before planning your retrieval surgery.

How TESA and PESA Sperm Retrieval Are Different

Though TESA and PESA look identical to a patient, they differ significantly in where the cells are harvested and the maturity of the retrieved genetic material.

Diagnostic Metric	Testicular Sperm Aspiration (TESA)	Percutaneous Epididymal Sperm Aspiration (PESA)
Anatomical Target	Testicular tissue (seminiferous tubules)	Epididymis (the sperm storage tube)
Primary Indication	Non-obstructive azoospermia (mild variants)	Obstructive azoospermia (physical blocks)
Clinical Technique	Needle insertion directly into the testicle body	Fine needle insertion into the upper scrotal skin
Sperm Maturity	Highly immature cells that cannot swim independently	More mature, structurally complete cells
Typical Candidates	Genetic fertility factors or hormonal imbalances	Vasectomy history or past infection scarring

 

Who Are These Treatments For?

At a foundational level, both TESA and PESA are designed for couples experiencing severe Male Infertility Causes, specifically due to azoospermia. If several checks confirm zero sperm in the fluid, executing a targeted TESA PESA sperm retrieval offers a reliable way to bypass the problem and harvest healthy genetic material straight from the source.

Who is TESA For?

TESA is for men with non-obstructive azoospermia (NOA), meaning the testicles have an underlying manufacturing defect. Doctors also use it as an immediate backup if a PESA attempt fails to find sperm. Because various biological triggers cause these production drops, doctors will evaluate the specific triggers behind your condition. Ideal candidates for TESA include men navigating:

• Genetic fertility conditions like Klinefelter syndrome.
• Severe hormonal imbalances that stall cellular growth inside the testicles.
• A childhood history of undescended testicles that caused long-term tissue damage.
• Sperm production damage caused by past chemotherapy or radiation treatments.

Who is PESA For?

PESA is the primary choice for men with obstructive azoospermia (OA). This means the testicles are producing healthy sperm, but a physical barrier blocks them from leaving the body. Ideal candidates for PESA include men with:

• A prior vasectomy or a failed vasectomy reversal surgery.
• Physical scarring or tissue blockages from past reproductive tract infections.
• Congenital Absence of the Vas Deferens (CBAVD), a genetic condition where a man is born without the tubes that carry sperm.

The Shared Requirements: Who Qualifies?

Regardless of whether a doctor chooses TESA or PESA, a patient must meet these general criteria:

• Confirmed Diagnosis: The patient must have confirmed zero sperm counts across at least two separate, high-precision semen analyses.
• Pairing with IVF and ICSI: Because surgically retrieved sperm are highly immature and cannot swim effectively on their own, they cannot be used for simple artificial insemination (IUI). The couple must undergo an IVF cycle paired with ICSI, where an embryologist manually injects a single harvested sperm cell into each mature egg.

The Pre-Procedure Diagnostic Workup

Before scheduling a TESA PESA sperm retrieval, reproductive urologists follow strict European Association of Urology (EAU) guidelines to map out your biological profile. Your diagnostic workup consists of several essential checks:

• Hormonal Profile Tracking: Blood tests measure your baseline Levels of Follicle-Stimulating Hormone (FSH), Luteinizing Hormone (LH), and testosterone. High FSH levels often indicate non-obstructive manufacturing failure, while normal hormone levels point to a physical blockage.
• Advanced Genetic Screening: Specialists conduct karyotyping to check chromosome structures and perform Y-chromosome microdeletion testing to rule out deep genetic blocks before accessing testicular tissue.
• CFTR Gene Mutation Screening: If your physical examination suggests CBAVD, both partners undergo CFTR gene testing to rule out cystic fibrosis carrier risks before proceeding with an embryo transfer.
• Scrotal Ultrasound Imaging: High-frequency imaging scans check the physical volume of the testicles, evaluate the epididymis structure, and rule out underlying conditions like a varicocele.

Step-by-Step Procedures in Surgical Retrieval

Both treatments are quick, outpatient procedures performed under local anaesthesia. The patient remains completely awake, feels no sharp pain, and returns home the same morning.

The PESA Procedure

First, the medical team cleans the scrotal skin with an antiseptic solution. Next, the doctor administers a local anaesthetic to completely numb the pelvic area.
Once the tissue is numb, the specialist locates the epididymis structure by touch and inserts a fine needle through the skin. The doctor gently pulls back the syringe plunger to extract a microscopic amount of fluid containing the sperm cells.
The doctor hands the fluid sample directly to an in-house embryologist, who observes it under a high-powered microscope to confirm the presence of live, usable cells.

The TESA Procedure

TESA is the preferred choice for male patients for whom PESA is not suitable, or when a PESA attempt fails to yield viable cells. The entire process takes about 15 to 20 minutes.

The doctor administers local anaesthesia directly into the scrotal skin and the body of the testicle. Once fully numbed, the doctor inserts the needle into the testicular tissue and collects microscopic fragments of the seminiferous tubules.

These tiny tissue samples are placed into a sterile laboratory fluid and sent straight to the embryology lab. The laboratory team manually breaks down and sorts through the tissue fragments under a high-powered microscope to isolate individual sperm cells.

Expanding the Family: Understanding TESE, Micro-TESE, and MESA

Sperm retrieval is a family of five distinct procedures, not just two. If TESA or PESA are not ideal for your underlying diagnosis, your reproductive urologist will scale your treatment using advanced microsurgical options:

• TESE (Testicular Sperm Extraction): Unlike the needle-based aspiration of TESA, TESE involves a tiny surgical opening in the scrotal skin to perform an open tissue biopsy, harvesting larger samples from the seminiferous tubules to secure a higher cell yield.
• Micro-TESE (Microsurgical TESE): This is the global gold standard for severe non-obstructive azoospermia, including conditions like Sertoli cell-only syndrome or maturation arrest. Performed under a high-powered operating microscope, a reproductive urologist views the inside of the testicle to selectively harvest healthy, dilated tubules, lifting the sperm retrieval rate (SRR) up to 60% compared to just 30% for needle TESA.
• MESA (Microsurgical Epididymal Sperm Aspiration): The open microsurgical alternative to PESA. It is used for obstructive conditions when PESA fails, using an operating microscope to clear fluid from individual epididymal tubules, maximizing cell counts while minimizing local blood vessel damage.

The Next Critical Step: IVF with ICSI

Sperm retrieved via surgical aspiration are highly fragile and lack the driving power to swim through the female reproductive tract on their own. They cannot fertilize an egg through natural intercourse or standard IVF. Instead, they must undergo Intracytoplasmic Sperm Injection (ICSI).

The process begins when the doctor extracts sperm through a surgical procedure and hands the sample to the lab team to isolate premium sperm cells. At the same time, the female partner undergoes her egg retrieval process to collect mature eggs. Once both cells are ready, the embryologist uses a specialized workstation to pick up a single sperm cell and inject it directly into the egg using a microscopic needle.

The injected eggs are placed inside specialized incubators to grow into healthy embryos over the next 3 to 5 days before a specialist transfers the healthiest embryo back into the uterus. If the laboratory team finds more healthy sperm than your immediate IVF cycle requires, they safely freeze the extra cells. The couple can use this cryopreserved sperm for future cycles without the male partner ever repeating the needle retrieval procedure.

Estimated Financial Cost of Sperm Retrieval in India

When navigating the financial side of fertility treatments, understanding the general medical pricing landscape helps you securely plan your steps . The financial investment required for surgical sperm retrieval procedures in India varies depending on the specific laboratory techniques, surgeon skill levels, and surgical infrastructure required for your diagnosis.

While exact expenses depend entirely on your individual protocol, the typical estimated price ranges across major specialized centers in India generally include:

• Estimated PESA Procedure Fees: ₹15,000 to ₹30,000 per cycle
• Estimated TESA Procedure Fees: ₹20,000 to ₹45,000 per cycle
• Advanced Microsurgical Fees (Micro-TESE or MESA): ₹45,000 to ₹95,000 per surgical attempt
• Sperm Processing and Washing Charges: ₹5,000 to ₹12,000 initial laboratory fee
• Annual Fertility Cryopreservation Storage: ₹10,000 to ₹20,000 per year

Because these figures represent industry-standard approximations across the country rather than a fixed commitment, couples should always speak directly with their chosen local clinic branch to receive an official, all-inclusive written package before beginning a cycle.

Real-World Success Metrics and Clinical Yields

Surgically retrieved sperm provide excellent clinical outcomes when managed by an experienced andrology team. According to data from the American Society for Reproductive Medicine (ASRM), the documented success parameters show:

• Sperm Retrieval Yields (SRR): PESA secures a 70% to 85% retrieval rate in obstructive cases, while Micro-TESE achieves a 50% to 65% success rate in severe non-obstructive cases.
• Laboratory Fertilization Efficiency: Once viable sperm are isolated and paired with ICSI, the successful fertilization rate matches 55% to 70%, which is highly comparable to using standard ejaculated sperm.
• Embryo Freeze Viability: Advanced cryopreservation allows 80% to 90% of surgically retrieved sperm to successfully survive the thawing process for future use.

 

How to Prepare and What to Expect During Recovery

Preparing your body correctly ensures your surgical sample is high quality and minimizes your recovery time. Both partners should follow these standard clinical steps:

• Optimize Your Health 3 Months Prior: Because a full sperm manufacturing cycle requires nearly three months, avoid heavy smoking and heat exposure weeks before your scheduled procedure.
• Follow the Safe Medication Review: Stop taking any blood thinners, aspirin, or anti-inflammatory drugs 5 to 7 days before your appointment under your doctor’s guidance.
• Observe the Short Abstinence Window: Maintain 2 to 3 days of pelvic abstinence before the procedure to optimize local fluid volumes.
• Post-Procedure Recovery: Expect mild local soreness, slight bruising, or a dull ache for 24 to 48 hours after the local anaesthesia wears off. This can be managed with standard ice packs and a supportive scrotal wrap. Most men return to light desk work within one to two days.

Ready to Find the Best Care Near You?

Surgical retrieval techniques prove that an azoospermia diagnosis is not the end of your parenthood goals. At Sudha Fertility Centre, our experienced urologists, resident andrologists, and state-of-the-art embryology labs ensure you receive clear guidance and gentle care without needing complex, open surgeries. Move forward with absolute confidence. Contact Sudha Fertility Centre today to book your personalized fertility assessment at our closest Chennai branch, Coimbatore branch, or Hyderabad branch.

Frequently Asked Questions

Is TESA or PESA sperm retrieval painful?

No, you will not feel sharp pain during the extraction. Specialists perform both procedures under a local anesthetic that completely numbs the scrotal area, meaning patients only report feeling a mild sensation of pressure or a dull ache during the 15-minute process.

How long does it take to recover after the procedure?

Recovery is remarkably fast because these treatments are entirely needle-based. Most men experience mild soreness or light bruising for 24 to 48 hours, allowing you to comfortably return to a light desk job or normal daily routines within one to two days.

Can retrieved sperm be frozen for future IVF cycles?

Yes, laboratory teams routinely freeze any extra high-quality sperm found during the extraction. This process, known as cryopreservation, creates a vital safety net so the male partner does not have to repeat the needle retrieval procedure if the couple needs another IVF cycle later.

What is the success rate of TESA PESA sperm retrieval?

When paired with Intracytoplasmic Sperm Injection (ICSI), these procedures yield excellent fertilization and pregnancy rates. Clinical data shows that fertilization success rates using retrieved sperm are highly comparable to IVF cycles performed with normal, ejaculated sperm (IVF vs ICSI).

Do I get to choose whether I undergo TESA or PESA?

No, your fertility specialist or reproductive urologist will make this choice based on medical data. Doctors choose PESA if you have a physical blockage but normal sperm production, and pivot to TESA or Micro-TESE if your testicles have a manufacturing defect or if a PESA attempt fails to find sperm.