Results 31 to 40 of about 10,513,345 (205)
Sperm retrieval techniques in azoospermic patients: PESA, MESA, TESA, TESE and MICROTESE [PDF]
Einstein (São Paulo), 2009 Azoospermia is defined as the absence of mature spermatozoa in semen analysis after centrifugation. The causes of azoospermia may be related to spermatogenesis defects and classified as non-obstructive azoospermia, or to the obstruction of the efferent ...
Marcelo Vieira, Sidney Glina
doaj
Surgical recovery of sperm in non-obstructive azoospermia [PDF]
Asian Journal of Andrology, 2011 The development of intracytoplasmic sperm injection (ICSI) opened a new era in the field of assisted reproduction and revolutionized the assisted reproductive technology protocols for couples with male factor infertility. Fertilisation and pregnancies can be achieved with spermatozoa recovered not only from the ejaculate but also from the seminiferous ...
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Serum estradiol levels in infertile men with non-obstructive azoospermia
Therapeutic Advances in Reproductive Health, 2020 Purpose: To report the different patterns of estradiol levels in infertile men with non-obstructive azoospermia and correlate these levels with their clinical and laboratory findings.
Nader Salama, Saeed Blgozah
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مجلة الكوفة الطبية, 2023 Background: Intracytoplasmic sperm injection (ICSI) opens the gate for many cases of male factor infertility to be the biological fathers of their sibling since 1992.
Ali A. Abo-Alshaar +2 more
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Seminal plasma miRNAs in Klinefelter syndrome and in obstructive and non-obstructive azoospermia
, 2020 MicroRNAs are small, non-coding, single-strand oligonucleotides which regulate gene expression. There is little evidence in the literature about their role in azoospermia and no studies have investigated their presence in the seminal plasma of men with ...
Lenzi A. +7 more
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Management of the Infertile Male with Azoospermia
Düzce Tıp Fakültesi Dergisi, 2022 Azoospermia means the complete absence of spermatozoa upon examination of the semen. Azoospermia may result from a lack of spermatozoa production in the testicles, or from an inability of produced spermatozoa to reach the emitted semen.
Erdem Akbay, Mesut Tek
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Novel mutations of TEX11 are associated with non-obstructive azoospermia
Frontiers in Endocrinology, 2023 Non-obstructive azoospermia (NOA) affects 10% of infertile men worldwide, and genetic studies revealed that there are plenty of monogenic mutations that responsible for a part of idiopathic NOA cases. Testis-expressed gene 11 (TEX11) is an X-linked meiosis-specific gene, many pathogenic variants in TEX11 have been detected in NOA patients, and the ...
Jian Song +7 more
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Varicoceles in Men With Non-obstructive Azoospermia: The Dilemma to Operate or Not
Frontiers in Reproductive Health, 2022 The knowledge on male reproduction is constantly expanding, especially in treating infertility due to non-obstructive azoospermia (NOA). Varicocele is occasionally diagnosed in a subpopulation of males with NOA. Varicocele repair in NOA-men may contribute to the reappearance of spermatozoa in semen. However, spontaneous pregnancies are observed in only
Aris Kaltsas +9 more
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, 2010 Couples presenting with male factor infertility comprise an important proportion of clinical reproductive endocrinology consultations. Indeed, a problem with the male is the only cause, or a contributing cause, of infertility in ~40% of infertility ...
Yokota, T.T. +11 more
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Varicocelectomy in Patients with Non-obstructive Azoospermia
Journal of Urological Surgery, 2019 Objective:We evaluated the outcomes of varicocelectomy in men with non-obstructive azoospermia (NOA) and a palpable varicocele.Materials and Methods:We retrospectively evaluated 25 male patients with NOA having a palpable varicocele, between May 2006 and December 2018.
Cevahir Özer +4 more
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