MESA (Microepididymal Sperm Aspiration)
MESA is a procedure performed for men who have vasal or epididymal obstruction (s/p vasectomy, cystic fibrosis). It is either done as a scheduled procedure or is coordinated with their female partner’s egg retrieval. MESA is performed in the operating room with general anesthesia under the operating microscope. Patients usually cryopreserve sperm during this procedure for future IVF/ICSI.
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