نتایج جستجو برای: male infertility

تعداد نتایج: 349507  

Journal: :Advances in Urology 2012

2012
Toshinobu Miyamoto Akira Tsujimura Yasushi Miyagawa Eitetsu Koh Mikio Namiki Kazuo Sengoku

Infertility is one of the most serious social problems facing advanced nations. In general, approximate half of all cases of infertility are caused by factors related to the male partner. To date, various treatments have been developed for male infertility and are steadily producing results. However, there is no effective treatment for patients with nonobstructive azoospermia, in which there is...

2014
Christina G. Schiza Keith Jarv Eleftherios P. Diamandis Andrei P. Drabovich

Infertility is an important aspect of human reproduction. It affects up to 15% of couples, with the male factor contributing to approximately 50% of all cases. Azoospermia is one of the most severe forms of male infertility, which is characterized by the absence of sperm in semen. The mechanisms underlying male infertility remain unknown. Currently, clinicians rely on semen analysis to predict ...

2015
Fatemeh Zahra Karimi Ali Taghipour Robab Latifnejad Roudsari Seyed Ali Kimiaei Seyed Reza Mazlom Maliheh Amirian

INTRODUCTION Infertility, as a global phenomenon and one of the most important issues of reproductive health, affects women more often than men, even when the infertility is due to a male factor. The purpose of this study was to explore the cognitive emotional experiences of women faced with male infertility. METHODS This qualitative study was conducted in 2014-2015 in Mashhad, Iran. The perc...

2015
Melissa L Vadnais George L Gerton

Infertility remains a significant problem for many couples. Approximately one in seven couples who attempt to conceive will fail to do so within 1 year. In about 65% of these cases, there is a male component of infertility.1 Despite normal semen parameters, the etiology of infertility remains uncertain in more than 50% of couples.2 Defects in sperm proteins and/ or structures may underlie certa...

Journal: :JNMA; journal of the Nepal Medical Association 2016
S Subedi S Lamichhane M Chhetry

INTRODUCTION Infertility is a global health issue and a socially destabilizing condition for couples with several stigmas including medical, social, psychological burdens and a marital disharmony. The aim was to study the incidence of infertility in couples attending outdoor of Nobel Medical College and to know the contributing factors among the infertile couples. METHODS A prospective cross-...

2009
Kiran Singh Rajiva Raman

Infertility being a multifactorial disorder, both genetic and environmental factors contribute to the etiology of infertile phenotype. Chromosomal anomalies and Y-microdeletion are the established genetic risk factors of male infertility. Y-haplotypes has been found as risk factor for male infertility in certain populations, though in certain others no association has been reported, suggesting ...

2013
Kelley-Anne Sabarre Zainab Khan Amanda N Whitten Olivia Remes Karen P Phillips

BACKGROUND Awareness of infertility risk factors is an essential first step to safeguard future fertility. Whereas several studies have examined university students' awareness of female fertility and related risk factors, the topic of male infertility has not been well examined. The objective of this study was to assess young men and women's awareness, knowledge and perceptions of infertility, ...

Journal: :Einstein 2011
Bianca Bianco Denise Maria Christofolini Frederico Rezende Ghersel Marcello Machado Gava Caio Parente Barbosa

The 46 XX, testicular sex differentiation disorder, or XX male syndrome, is a rare condition detected by cytogenetics, in which testicular development occurs in the absence of the Y chromosome. It occurs in 1:20,000 to 25,000 male newborns and represents 2% of cases of male infertility. About 90% of individuals present with normal phenotype at birth and are generally diagnosed after puberty for...

Journal: :Genetic testing and molecular biomarkers 2013
Hou-Qun Ying Yue Qi Xiao-Ying Pu Shuo-Ran Liu Zhou-Cun A

The deletion polymorphisms of the glutathione S-transferase M1 (GSTM1) and glutathione S-transferase T1 (GSTT1) genes were considered as candidates for genetic susceptibility factors of male infertility. Previous studies concerning the relationship between the null genotype of the two genes and male infertility have been reported in recent years. However, the results remain elusive. A meta-anal...

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