Because Sperm harvesting is entirely different from a diagnostic testicular biopsy because, in this setting, the goal is not to identify what is happening in the testis but instead it is to find sperm. It differs significantly from that of a diagnostic testicular biopsy. Only men with no sperm in their ejaculate (azoospermia) require sperm to be extracted directly from the testicles or epididymis via a sperm retrieval procedure.

Depending on the severity of the blockage, this may include only a simple aspiration, or it may necessitate much more extensive sampling of the testicles in the case of men who are having problems with sperm production. Due to these differences, there is a meaningful difference in the amount of time it takes, the amount of anesthesia required, and the equipment used.

What is the Timing of Sperm Retrieval?
• The standard approach to semen collection and processing for use in in vitro fertilization (IVF) cycle is a complex issue that requires careful consideration and resolution. There are advantages and disadvantages to harvesting sperm before an IVF cycle or in conjunction with the harvesting of the female partner's eggs, depending on the circumstances.

• A further challenge for many couples is that they must enlist other resources to support them in getting to and from the hospital and administering at home to have their operative procedures completed on the same day.

• Therefore, simple sperm retrievals are typically performed on the same day as egg retrieval procedures. In vitro fertilization (IVF) is often needed to achieve pregnancy for these cases. Sperm retrieval may also be possible for men who have problems with sperm production.but who produce sperm typically. These procedures, which include testicular sperm aspiration (TESA), percutaneous sperm aspiration (PESA), and testicular sperm extraction (TSE), are described in greater detail below (TESE).

Microdissection the TESE (MicroTESE) procedure best fertility doctor in Delhi
is a much more involved procedure performed the day before the female partner's egg retrieval is scheduled to occur.

Procedure
Testicular sperm aspiration (TESA)
TESA is a procedure performed on men who have their sperm harvested for IVF/ICSI purposes or other reasons. It is performed under local anesthesia in an operating room or office setting, and it is timed to correspond with the egg retrieval of their female partner. A needle is inserted into the testicle, and membrane and sperm are aspirated from the testicle.

Percutaneous Epididymal Sperm Aspiration (PESA)
In men who have their sperm harvested for IVF/ICSI but have obstructive azoospermia due to a prior vasectomy or infection, the PESA procedure is used to help them get their sperm back. It is performed under local anesthesia in an operating room or office setting, and it is timed to coincide with the egg retrieval of their female partner.

Testicular sperm extraction (TESE)
TESE is a procedure that involves making a small incision in the testis and examining the tubules to determine whether or not there is sperm present. It is either performed best fertility clinic in Delhi as part of a scheduled procedure or in conjunction with the egg retrieval of their female partner.

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