Results 1 to 10 of about 20,559 (229)
International Journal of Molecular Sciences, 2021 Azoospermia affects 1% of men, and it can be due to: (i) hypothalamic-pituitary dysfunction, (ii) primary quantitative spermatogenic disturbances, (iii) urogenital duct obstruction. Known genetic factors contribute to all these categories, and genetic testing is part of the routine diagnostic workup of azoospermic men.
Csilla Gabriella Krausz +1 more
exaly +6 more sources
Secretory azoospermia or non-obstructive azoospermia? [PDF]
Folia Histochemica et Cytobiologica, 2010 In the non-obstructive azoospermia versus the secretory azoospermia it is first necessary to have a clear assessment and definition and then takes care of the patient before the surgical sampling taking into account the age of the woman and in fine try ...
J M Rigot
doaj +7 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 +3 more sources
Differentiation between nonobstructive azoospermia and obstructive azoospermia: then and now
Asian Journal of AndrologyMale infertility has seen an increase in prevalence with cases of azoospermia estimated to affect 10%–15% of infertile men. Confirmation of azoospermia subsequently necessitates an early causal differentiation between obstructive azoospermia (OA) and ...
Logan Hubbard +2 more
doaj +5 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 +6 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.
exaly +4 more sources
Spermatogenesis, 2014 Azoospermia is classified as obstructive azoospermia (OA) or non-obstructive azoospermia (NOA), each having very different etiologies and treatments. The etiology, diagnosis, and management of azoospermia were reviewed and relevant literature summarized.
Matthew Wosnitzer
exaly +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
Taiwanese Journal of Obstetrics & Gynecology, 2022 Objective: We present our study about the significance of karyotyping and azoospermia factor(AZF) analysis in patients with azoospermia or oligozoospermia.
Shin-Wen Chen +4 more
doaj +1 more source
Сondition of urogenital tract microbiotes and pro- and antioxidant system in male azoospermia
Regulatory Mechanisms in Biosystems, 2021 Over the past 20 years, there has been a clear trend to increase in the number of infertile men in Ukraine, their percentage reaches 50% in infertile couples. There is a significant percentage of male infertility caused by azoospermia – the lack of sperm
M. Z. Vorobets +5 more
doaj +1 more source