A successful pregnancy using completely immotile but viable
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Intracytoplasmic sperm injection (ICSI) has emerged as an ideal tool for the treatment of severe male infertility. Previous studies have confirmed that a viable spermatozoon is the prerequisite for initiating fertilization in cases of ICSI. Motility is the primary sign used for determining the viability of a spermatozoon. It was reported that ICSI using completely immotile spermatozoa usually resulted in a relatively low fertilization rate and at times, even complete fertilization failure.Therefore, motile sperm are preferentially selected for ICSI in practice. Thus far, sperm cryopreservation is the most effective method of preserving male fertility, although the freezing-thawing process can cause irreversible damage to the sperm....

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5395553/
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Dr. H●●●●h D●●●i
Dr. H●●●●h D●●●i Obstetrics and Gynaecology
This report expands the scope of ICSI in severe male infertility
May 15, 2017Like