Results 21 to 30 of about 35,229 (220)
Non-obstructive azoospermia: current and future perspectives [PDF]
Faculty Reviews, 2021 Infertility affects 1 in 6 couples, and male factor infertility has been implicated as a cause in 50% of cases. Azoospermia is defined as the absence of spermatozoa in the ejaculate and is considered the most extreme form of male factor infertility ...
T. Tharakan +3 more
semanticscholar +2 more sources
Chronic Immune-Mediated Orchitis Is the Major Cause of Acquired Non-obstructive Azoospermia in Dogs
Frontiers in Veterinary Science, 2022 Azoospermia, the lack of spermatozoa in the ejaculate, is the most common finding in infertile but otherwise healthy male dogs and represents an increasing reproductive health issue in men, too.
Sandra Goericke-Pesch +7 more
doaj +2 more sources
Machine learning and integrative analysis identify the common pathogenesis of azoospermia complicated with COVID-19 [PDF]
Frontiers in Immunology, 2023 BackgroundAlthough more recent evidence has indicated COVID-19 is prone to azoospermia, the common molecular mechanism of its occurrence remains to be elucidated.
Jiarong He +3 more
doaj +2 more sources
Nature Communications, 2020 Non-obstructive azoospermia affects 1% of men. Here, authors perform single-cell transcriptomic analysis of human testicular cells from healthy donors and non-obstructive azoospermia patients and find that inhibition of Wnt signaling promotes the ...
LiangYu Zhao +19 more
doaj +2 more sources
Research Progress on the Pathogenesis and Diagnostic Biomarkers of Azoospermia [PDF]
BiomoleculesAzoospermia represents the most severe manifestation of male infertility and is classified into obstructive azoospermia (OA) and non-obstructive azoospermia (NOA).
Jiazhen Zou +4 more
doaj +2 more sources
Andrology laboratory technique for analysis of semen in men with azoospermia
Asian Journal of AndrologyDiscovery of spermatozoa during the 17th century led to developing technologies for semen analysis in the early 1900s, and then, standard techniques were implemented during the 20th century.
Andrian Japari +2 more
doaj +3 more sources
Obstructive azoospermia: reconstructive techniques and results
Clinics, 2013 Obstructive azoospermia is a common cause of male infertility and can result from infection, congenital anomalies, or iatrogenic injury. Microsurgical vasal reconstruction is a suitable treatment for many cases of obstructive azoospermia, although some ...
Karen Baker, Edmund Sabanegh Jr.
doaj +2 more sources
Nonobstructive azoospermia: an etiologic review
Asian Journal of AndrologyAzoospermia is the complete absence of spermatozoa in the ejaculate in two or more semen analyses after centrifugation. Nonobstructive azoospermia (NOA) represents the most severe form of male factor infertility accounting for 10%–15% of cases and stems ...
Logan Hubbard, A. Rambhatla, S. Glina
semanticscholar +3 more sources
The importance of semen analysis in the context of azoospermia
Clinics, 2013 Azoospermia is a descriptive term referring to ejaculates that lack spermatozoa without implying a specific underlying cause. The traditional definition of azoospermia is ambiguous, which has ramifications on the diagnostic criteria.
Nabil Aziz
exaly +2 more sources
The epidemiology and etiology of azoospermia
Clinics, 2013 The misconception that infertility is typically associated with the female is commonly faced in the management of infertile men. It is uncommon for a patient to present for an infertility evaluation with an abnormal semen analysis report before an ...
Marcello Cocuzza +2 more
doaj +2 more sources