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Finding Sperm, Even When Counts Are Low: TFNA Mapping at RPMG

TFNA Mapping is a minimally invasive diagnostic tool that helps locate sperm in men with azoospermia (no sperm in the ejaculate). It guides future sperm retrieval procedures with precision, improving outcomes and limiting unnecessary interventions.

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What is TFNA Mapping?

Testicular Fine Needle Aspiration (TFNA) Mapping is a technique that samples multiple areas of the testes using a tiny needle. The goal is to identify “hot spots” where sperm may still be produced, even in cases where semen analyses show none.

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Why is TFNA Mapping important?

Some men with azoospermia still produce sperm in small pockets of testicular tissue. Mapping can help avoid the need for more invasive procedures and help guide a better plan for sperm retrieval.

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Dr. Weinberger’s Expertise in Male Fertility

As a fellowship-trained male fertility specialist, Dr. Weinberger uses TFNA Mapping to create smarter, more personalized treatment paths. His surgical precision and compassionate approach help patients move forward with clarity and confidence.

When is TFNA used?

  • Before procedures like mTESE or TESE
  • For men with non-obstructive azoospermia
  • When planning for future IVF or ICSI treatment
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There’s more than one path to parenthood. Schedule a consultation to see if TFNA Mapping makes sense for your fertility journey.

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FAQs

TFNA mapping is performed under local or light sedation and generally well tolerated.

There’s no guarantee, but it significantly increases the chances of success with future retrievals.

If sperm are found, we can coordinate retrieval and freezing or plan IVF.