Results 31 to 40 of about 8,359 (251)
Kromosoomianomaaliad ja kromosoomivariandid infertiilsetel meestel [PDF]
, 2006 Lastetust esineb umbes 15% peredest. Selle mehepoolsetest põhjustest moodustavad 30% geneetilised tegurid, eeskätt kromosoomihaigused. Eestis on viljatuse tsütogeneetilisi põhjusi seni vähe uuritud.
Lissitsina, Jelena +2 more
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Obesity and Increased Risk for Oligozoospermia and Azoospermia [PDF]
Archives of Internal Medicine, 2012 The global obesity epidemic parallels a decrease in male fertility. Yet, the association between body mass index (BMI) and sperm parameters remains controversial. A negative correlation between BMI and sperm concentration or total sperm count (TSC) was shown by several reports,1, 2 but not documented by others.3, 4 The purpose of this report was to ...
Sermondade, Nathalie +5 more
openaire +7 more sources
Frontiers in Genetics, 2023 Introduction: Human spermatogenesis is a highly intricate process that requires the input of thousands of testis-specific genes. Defects in any of them at any stage of the process can have detrimental effects on sperm production and/or viability.
Sidra Qureshi +18 more
doaj +1 more source
Serum inhibin B as a marker of spermatogenesis [PDF]
, 1998 Inhibin B is produced by Sertoli cells, provides negative feedback on FSH secretion, and may prove to be an important marker for the functioning of seminiferous tubules.
Jong, F.H. (Frank) de +4 more
core +3 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
Prevalence of Y chromosome deletions in a Brazilian population of nonobstructive azoospermic and severely oligozoospermic men [PDF]
, 2003 We determined the prevalence of Y chromosome deletions in a population of 60 Brazilian nonobstructive azoospermic and severely oligozoospermic men. PCR-based screening of microdeletions was performed on lymphocyte DNA for the presence of 14 sequence ...
Avellar, Maria Christina Werneck +6 more
core +2 more sources
Relationship between Dairy Product Consumption and Oligospermia; a Case-Control Study
Men's Health Journal, 2018 Introduction: Infertility affects an estimated 15% of couples globally and in Iran, a quarter of Introduction: One of the current debates regarding men’s reproductive health is the declining sperm count and the role of nutritional and environmental ...
Alireza Dizavi +4 more
doaj +1 more source
Meiotic recombination and male infertility: from basic science to clinical reality? [PDF]
, 2011 Infertility is a common problem that affects approximately 15% of the population. Although many advances have been made in the treatment of infertility, the molecular and genetic causes of male infertility remain largely elusive. This review will present
Hann, Michael C. +2 more
core +1 more source
Approach to the Patient With Oligozoospermia [PDF]
The Journal of Clinical Endocrinology & Metabolism, 2013 Male infertility affects 1 in 20 men and is the sole or contributory factor in half of assisted reproductive treatments (ARTs). A reduced sperm density (oligozoospermia) is often accompanied by poor motility and morphology reflecting qualitative and quantitative defects in spermatogenesis.
openaire +3 more sources
Study on occurrence of the IVS8-5T allele of the CFTR gene in Ukrainian males with spermatogenesis failure [PDF]
, 2010 Aim. To study the IVS8-5T allele of the CFTR gene and it is involvement in spermatogenesis failure in men with azoospermia and oligozoospermia. Methods.
Fesai O. A. +3 more
core +1 more source