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| ICSI is an assisted fertilization technique. A single viable sperm is injected directly into the egg under magnification with high power microscope. |
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| This technique is appropriate for couples with bilateral tubal block male factor infertility with very low sperm count or prior failed or poor fertilization with conventional IVF. |
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Surgical sperm retrieval technique |
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| When there is no ejaculate or only rare or no sperm in the semen, a variety of surgical methods can be used to retrieve sperm for fertilization. |
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Percutaneous Epididymal Sperm Aspiration (PESA) and Testicular Sperm Extraction (TESE)
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| PESA, a less invasive technique, can be performed under local or general anesthesia. The procedure is performed by using a needle insertion into epididymis to retrieve fluid which may contain sperm. On the other hand, TESE is an open minor surgical technique as testicular biopsy. In which tissues were extracted to look for sperm. ICSI will be the treatment of choice for this patients, a very small sperms with normal morphology, are retrieved by the surgical methods.ì |
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PERCUTANEOUS EPIDIDYMAL SPERM ASPIRATION (PESA) |
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