What is MESA?
💡 MESA is microsurgical epididymal sperm aspiration — sperm retrieval from epididymal tubules under operating microscope magnification. Used in obstructive azoospermia. Sperm retrieval rate: >90%. Yields more and better-quality sperm than PESA. A single MESA can provide sperm for 3–5 future ICSI cycles.
MESA (microsurgical epididymal sperm aspiration) is a surgical sperm retrieval technique that uses operating microscope magnification to aspirate sperm from individual epididymal tubules. It yields larger quantities of higher-quality sperm than needle-based PESA.
🇮🇳 India Context: MESA is widely assessed and treated across major Indian fertility centres including Chennai, Mumbai, Bangalore, Delhi, and Hyderabad.
What are the key characteristics of MESA?
- Indicated for obstructive azoospermia — most commonly CBAVD, vasectomy reversal failure, or post-infective obstruction
- Performed under general anaesthesia using an operating microscope
- Direct tubular aspiration under microscope — minimises blood and debris contamination
- Sperm retrieval rate: >90% in obstructive azoospermia
- Yields large numbers of motile sperm — sufficient for multiple cryopreservation vials
- Higher sperm quality than PESA — suitable for multiple future ICSI cycles from one procedure
- A single MESA can yield enough sperm for 3–5 future ICSI cycles after cryopreservation
- Requires reproductive microsurgeon — not available at all IVF centres in India
What does MESA involve?
Why does MESA matter in fertility?
MESA is preferred over PESA when large sperm quantities are required — particularly for simultaneous cryopreservation banking allowing multiple future ICSI cycles without repeat surgery. In CBAVD patients, MESA is typically the first-choice technique. ICSI with MESA sperm achieves fertilisation rates of 70–80% and live birth rates comparable to ejaculated sperm cycles. MESA costs ₹40,000–₹90,000 in India — higher than PESA but with significantly greater sperm yield per procedure.
What are related terms to MESA?
FAQs about MESA
Who is MESA suitable for?
MESA is suitable for men with obstructive azoospermia — including CBAVD, vasectomy reversal failure, or epididymal obstruction. It is preferred over PESA when large sperm quantities for cryopreservation banking are needed, or when PESA has previously failed.
What is the difference between MESA and PESA?
MESA uses an operating microscope to directly aspirate sperm from identified epididymal tubules — yielding more, higher-quality sperm. PESA is needle-based — simpler and cheaper but lower sperm yield. MESA requires general anaesthesia and a reproductive microsurgeon.
How many ICSI cycles can MESA sperm cover?
A single MESA procedure typically yields enough motile sperm for 3–5 future ICSI cycles after cryopreservation in multiple vials. This eliminates the need for repeat surgery for subsequent fertility treatment cycles.
Is MESA painful?
MESA is performed under general anaesthesia — no pain during surgery. Post-operative scrotal discomfort and swelling are common for 3–7 days. Recovery is slightly longer than PESA due to the incision required. Most men resume light activity within 1 week.
How much does MESA cost in India?
MESA costs ₹40,000–₹90,000 in India — more expensive than PESA due to microsurgical technique and general anaesthesia. It is available at specialist male fertility and IVF centres. Higher cost is offset by greater sperm yield and cryopreservation capacity.
🏥 Find Specialists for MESA in India
Connect with verified fertility specialists who can guide you through mesa.