نتایج جستجو برای: male factor infertility
تعداد نتایج: 1161274 فیلتر نتایج به سال:
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 ...
BACKGROUND The proteolytic chaperone peptide ubiquitin accumulates in defective human spermatozoa. Immunodetection of ubiquitin in human sperm samples correlates with semen quality and male fertility. METHODS Semen samples from 93 men from couples seeking infertility treatment were separated on a PureSperm density gradient and screened by immunofluorescence microscopy with anti-ubiquitin anti...
Background: Infertility is defined as failure to conceive within one or more years of regular unprotected coitus. The infertility state is dependent on the female factor as well as masculine factor; an altered masculine factor is designated when any cause or causes of infertility reside in the male. The masculine factor as a cause of infertility is present in 40-50% of cases hence the importanc...
Infertility is a private, social, and economic problem. Infertility is defined as the inability to conceive a pregnancy within 1 year. Twenty-five percent of couples will seek help for infertility at some point during their relationship (Page, 1989), accounting for over 2 million office visits to health care providers annually (The Endocrine Society, 1998). Male factor infertility is contributo...
BACKGROUND Gender, possibly due to the influence of gonadal hormones, is presumed to play a role in the pathogenesis of multiple sclerosis (MS), but no studies have evaluated whether male infertility is associated with MS. OBJECTIVE To study the association between male factor infertility and prevalent as well as incident MS. METHOD Our cohort was established by linkage of the Danish Nation...
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