conclusions sperm quality extracted by percutaneous pesa and tese procedures increases fertility outcomes compared to naturally ejaculated sperm in men with idiopathic co. more specifically, embryo quality, which is most relevant to fertility outcome, improved when surgically extracted sperm was used for icsi. results there was a significant difference in fertilization rate, embryo quality, imp...

Male infertility can be treated by several methods with varying degree of success. We present evidence that "open" testicular biopsy is favorable for men suffering from non-obstructive azoospermia (NOA). Moreover, any NOA patient may be subjected to this treatment even though his past histopathological examinations suggest that it is likely no sperm will be found in the testicular tissue. Thus,...

Spermatid microinjection into oocytes was applied in cases of intracytoplasmic sperm injection (ICSI)/testicular sperm extraction (TESE) where no spermatozoa could be found in numerous testicular samples. Although several pregnancies were obtained with this procedure, serious concerns remain regarding its safety. Although the relevance of the injection of spermatids is by no means certain, we w...

Transl Pediatr 2016;5(2):104-106 tp.amegroups.com Many men with conditions linked to azoospermia were formerly considered infertile. However, over the last two decades advances in assisted reproductive technology (ART) have been devised and have permitted these men to become biological fathers. Foremost among these have been testicular sperm extraction (TESE) and a “microdissection” advance in ...

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Testicular sperm extraction (TESE) associated with intracytoplasmic sperm injection has allowed many men presenting non-obstructive azoospermia to achieve fatherhood. Microdissection TESE (microTESE) was proposed as a method to improve sperm retrieval rates in these patients; however, there have been failures. Little is known about whether microTESE leads to spermatogenic alterations in the con...