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Surgically Collected Sperm


Sperm is collected surgically when a man's semen is weak and lacks adequate numbers of sperm to fertilize an egg.

TESE: Testicular Sperm Extraction

# This method is used when the testicles make inadequate sperm and sperm cannot be collected from the epididymis.
# A very small piece of testicular tissue is removed and living sperm in that tissue is used to attempt external fertilization.

# MESA: Microsurgical Epididymal Sperm Aspiration

# Microsurgery is performed directly on the epididymal to collect sperm and attempt external fertilization.
# The husband must be hospitalized and anesthetics are needed, but collecting a sufficient amount of active sperm and freezing additional sperm is one advantage of this method.
# This method is used when surgery for aspermatism has failed or is impossible.

PESA: Percutaneous Epididymal Sperm Aspiration

# Compared to MESA, this is method is more convenient.
# Sperm is collected directly with a syringe through the skin of the scrotum.
# This procedure is accomplished under local anesthesia; the testicles are not exposed, thereby reducing the incidence of fibrosis after surgery.



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