Results 41 to 50 of about 30,688 (283)
Medical Technology and Public Health Journal, 2018 At this time the case of azoospermia is quite common in infertile men. Azoospermia is a condition where the semen does not contain sperm. Many causes azoospermia, including the deletion of a gene at the locus that is located on the Y chromosome long arm
V.A. Ferandra, Sukarjati Sukarjati
doaj +1 more source
Bilharziasis and Azoospermia [PDF]
Archives of Andrology, 1980 Two patients in their twenties were investigated for a complaint of primary sterility. Semen analysis, showed azoospermia and testicular biopsy showed inhibited spermatogenesis in association with bilharzia ova in the interstitium in both cases. No similar cases were reported previously in the literature.
S M, Girgis, N F, Wassef
openaire +2 more sources
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
Journal of Clinical Medicine, 2021 Several prediction models for successful sperm retrieval (SSR) in patients with azoospermia due to spermatogenic dysfunction (also termed non-obstructive azoospermia—NOA) have been developed and published in the past years, however their resulting ...
E. Caroppo, G. Colpi
semanticscholar +1 more source
Reproductive Chances of Men with Azoospermia Due to Spermatogenic Dysfunction
Journal of Clinical Medicine, 2021 Non-obstructive azoospermia (NOA), or lack of sperm in the ejaculate due to spermatogenic dysfunction, is the most severe form of infertility. Men with this form of infertility should be evaluated prior to treatment, as there are various underlying ...
Caroline Kang, N. Punjani, P. Schlegel
semanticscholar +1 more source
Medical management of non-obstructive azoospermia: A systematic review
Arab Journal of Urology, 2021 While most men with non-obstructive azoospermia (NOA) are not amenable to medical treatment, some men can be treated effectively with hormonal therapy, prior to considering surgery.
M. Alkandari, A. Zini
semanticscholar +1 more source
Sperm recovery and IVF after testicular sperm extraction (TESE): effect of male diagnosis and use of off-site surgical centers on sperm recovery and IVF. [PDF]
PLoS ONE, 2013 Determine whether testicular sperm extractions and pregnancy outcomes are influenced by male and female infertility diagnoses, location of surgical center and time to cryopreservation.One hundred and thirty men undergoing testicular sperm extraction and ...
Kenan Omurtag +6 more
doaj +1 more source
Genetic Landscape of Nonobstructive Azoospermia and New Perspectives for the Clinic
Journal of Clinical Medicine, 2020 Nonobstructive azoospermia (NOA) represents the most severe expression of male infertility, involving around 1% of the male population and 10% of infertile men. This condition is characterised by the inability of the testis to produce sperm cells, and it
M. Cerván-Martín +3 more
semanticscholar +1 more source
Analysis of Y Chromosome Microdeletions and Mutation in Exon7 of the STAG3 Gene in Iranian Infertile Men with Idiopathic Non-Obstructive Azoospermia [PDF]
Majallah-i dānishgāh-i ̒ulūm-i pizishkī-i Arāk, 2016 Background: Azoospermia is defined as the absence of sperm in the semen and is divided in two types; obstructive and non-obstructive azoospermia. Non-obstructive azoospermia include approximately 60% of azoospermia patients.
Sara Pouriamanesh +5 more
doaj
Journal of International Medical Research, 2020 Objective The objective was to investigate the frequency and type of chromosomal abnormalities and Y chromosome microdeletions in infertile men with azoospermia and oligozoospermia to ensure appropriate genetic counseling before assisted reproduction in ...
Jing Sha +5 more
doaj +1 more source