Results 11 to 20 of about 14,478 (190)
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.
Francesca Cioppi +2 more
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 S Wosnitzer, Matthew P Hardy
exaly +3 more sources
Secretory azoospermia or non-obstructive azoospermia?
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 +4 more sources
Predictors of testicular sperm retrieval in patients with non-obstructive azoospermia: a review
Journal of International Medical Research, 2021 Azoospermia is divided into two categories of obstructive azoospermia and non-obstructive azoospermia. Before 1995, couples with a male partner diagnosed with non-obstructive azoospermia had to choose sperm donation or adoption to have a child. Currently,
Ya P Liu, Yingchun Su
exaly +2 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 +3 more sources
Predictive factors of c-TESE success in eastern algerian patients with non-obstructive azoospermia: role of histology, hormones, and testicular volume [PDF]
Basic and Clinical AndrologyBackground Non-obstructive azoospermia is the most severe and common form, representing 10–15% of infertile men. For these patients, testicular sperm extraction followed by intracytoplasmic sperm injection offer the only viable fertility option. However,
Besma Hibat allah Nourine +4 more
doaj +2 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 +5 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 ...
Edmund Sabanegh
exaly +2 more sources
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