ICSI stands for Intra Cytoplasmic Sperm Injection. This was first developed by Van Steirteghem in Belgium in the year 1982. It is a procedure where the sperm is injected inside the cytoplasm of the ovum.
ICSI can be performed in all of the following cases except-
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ICSI is a specialised procedure that takes the sperm from a male partner and is injected into the cytoplasm of an ovum that is collected from the female partner. This procedure is used in cases where the process of fertilization cannot take place naturally. Hence, failure of IVF, asthenospermia and severe oligospermia require ICSI but polyspermia is a case where there are a large number of sperms available and does not require ICSI.
ICSI cannot be done in those men who cannot ejaculate.
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In ICSI, sperm is retrieved from such people by TESE (Testicular Sperm Extraction) and MESA (Microsurgical Epididymal Sperm Aspiration). These are procedures where the sperm is collected from the testes or epididymis surgically.
ICSI has a very high success rate
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ICSI (60-70%) is the most effective micromanipulation method that is used to deal with failed IVFs. The other methods like sub-zonal insemination (SUZI 30-40%), zygote intrafallopian transfer (ZIFT 27-30%) have comparatively lower success rates than ICSI.
ICSI is a solution for male fertility problems.
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ICSI Intracytoplasmic sperm injection is a method used in IVF to deal with the male problem of defective sperm function. Here, the sperm produced by a male is not able to reach an egg as they are not motile enough and is thus injected into the oocyte to aid the process of fertilization.
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