When semen analysis shows very low or zero sperm, couples often hear terms like TESA, PESA, and Micro-TESE. These are surgical sperm retrieval procedures used to collect sperm directly from the male reproductive tract for IVF with ICSI. Understanding the differences helps you make informed decisions with your fertility team. A consultation with the best IVF centre in Madurai can clarify which option suits your diagnosis.

What Are TESA, PESA and Micro-TESE?

All three procedures aim to retrieve sperm when it is not present in the ejaculate, but they differ in technique and target site.

PESA — Percutaneous Epididymal Sperm Aspiration

  • A fine needle aspirates sperm from the epididymis, where mature sperm are stored.
  • Performed under local anaesthesia.
  • Best suited for obstructive azoospermia, such as after vasectomy or congenital blockage.
  • Quick procedure with minimal recovery time.

TESA — Testicular Sperm Aspiration

  • A needle is used to aspirate sperm-containing tissue directly from the testis.
  • Done under local or light sedation.
  • Useful in selected obstructive cases or when epididymal access is limited.
  • Less invasive than open biopsy but may retrieve fewer sperm.

Micro-TESE — Microsurgical Testicular Sperm Extraction

  • A small incision is made, and testicular tissue is examined under a high-powered microscope.
  • Only tubules likely to contain sperm are selected and extracted.
  • Performed under general or regional anaesthesia.
  • Preferred for non-obstructive azoospermia, where sperm production is impaired but may exist in focal areas.
  • Offers higher retrieval rates compared to blind biopsy techniques.

Key Differences at a Glance

FeaturePESATESAMicro-TESE Retrieval siteEpididymisTestisTestis (microsurgical) AnaesthesiaLocalLocal or sedationGeneral or regional Best forObstructive azoospermiaSelected obstructive casesNon-obstructive azoospermia InvasivenessMinimalMinimalModerate (open procedure) Sperm yieldUsually goodVariableHighest in NOA Recovery1–2 days1–2 days2–3 days rest, ~1 week full 

When Are These Procedures Recommended?

Surgical sperm retrieval is considered when:

  • Semen analysis shows azoospermia (no sperm in ejaculate).
  • There is a history of vasectomy or congenital absence of the vas deferens.
  • Ejaculatory dysfunction prevents normal sperm collection.
  • Previous IVF cycles failed due to male factor issues.
  • Genetic conditions affect sperm transport or production.

The choice between PESA, TESA, and Micro-TESE depends on whether the cause is obstructive or non-obstructive.

How These Procedures Support IVF

These techniques enable biological parenthood by:

  • Providing sperm for IVF with ICSI, where a single sperm is injected into each mature egg.
  • Allowing use of the male partner’s sperm even when none appears in the ejaculate.
  • Reducing or eliminating the need for donor sperm in many cases.
  • Enabling sperm to be frozen for future IVF cycles.

At the best IVF centre in India, these procedures are coordinated with the IVF team to ensure optimal timing and sperm handling. For detailed information on IVF with PESA, TESA, or TESE, speak with your fertility specialist to understand how retrieval integrates with your treatment plan.

Success Rates and Key Factors

Success depends on:

  • The underlying cause of azoospermia.
  • Sperm retrieval rates — highest with Micro-TESE in non-obstructive cases.
  • Female partner’s age and ovarian reserve.
  • Embryo quality and laboratory expertise.

Even when female partners face challenges such as low AMH levels, combining surgical sperm retrieval with tailored IVF protocols can improve overall outcomes. Discussing IVF with PESA, TESA, or TESE with your specialist helps set realistic expectations.

Risks and Recovery

These are generally safe procedures with minimal complications.

Possible risks include:

  • Mild pain, swelling, or bruising at the site.
  • Rare risk of infection or bleeding.
  • Temporary discomfort managed with pain relief.

Recovery timelines:

  • PESA and TESA — Most men resume normal activities within 1–2 days.
  • Micro-TESE — Typically requires 2–3 days of rest, with full recovery in about a week.

Follow your doctor’s instructions on activity, wound care, and medications.

Why Choose the Right Centre?

Surgical sperm retrieval requires:

  • Experienced urologists skilled in microsurgical techniques.
  • Advanced embryology labs for immediate sperm processing.
  • Seamless coordination between urology and IVF teams.
  • Personalised planning based on male and female factors.

At the best IVF centre in Madurai, the team evaluates both partners to create a cohesive treatment strategy. Understanding IVF with pesa tesa or TESA ensures you know how each step contributes to your overall success.

Frequently Asked Questions

1. What is the main difference between PESA and TESA?
PESA retrieves sperm from the epididymis, while TESA aspirates sperm directly from the testis. Both are used mainly for obstructive azoospermia, but the site of retrieval differs.

2. Is Micro-TESE better for non-obstructive azoospermia?
Yes. Micro-TESE allows targeted extraction of sperm-containing tubules under a microscope, offering higher retrieval rates in non-obstructive cases compared to blind biopsy.

3. Can sperm be frozen after retrieval?
Yes. Retrieved sperm can be frozen for future IVF cycles, reducing the need for repeat procedures.

4. Are these procedures painful?
Most men experience mild discomfort, swelling, or bruising, which is manageable with pain relief. Recovery is usually quick.

5. When should we consider surgical sperm retrieval in Madurai?
If semen analysis shows azoospermia, or if prior IVF cycles failed due to male factor issues, consult the best IVF centre in Madurai to evaluate PESA, TESA, or Micro-TESE options and discuss IVF with PESA, TESA, or tese.

Surgical sperm retrieval can make biological parenthood possible even with azoospermia

Speak with a fertility specialist to understand which procedure suits your case and how it integrates with your IVF plan.