Male reproductive ageing: a tale of the whole ejaculate
نویسندگان
چکیده
منابع مشابه
Reproductive functions of the ageing male.
Delayed childbearing is a common phenomenon in industrialized countries. This review focuses on age-associated alterations of male fertility and genetic risks. Semen volume, sperm motility and sperm morphology decrease with age, whereas the data concerning sperm concentration are conflicting. The age-related changes of semen parameters reflect the histological modifications which are found to v...
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In many insects, nuptial gifts in the form of spermatophores have been shown to increase female fecundity and to contribute to female somatic maintenance. Examining how variation in male spermatophore size affects female fitness components can provide insight into the evolution of nuptial gifts, as well as insight into potential conflicts between the sexes. Here we present an experimental study...
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15 صفحه اولAndrogens and the ageing male.
Hypogonadal men share a variety of signs and symptoms such as decreased muscle mass, osteopoenia, increased fat mass, fatigue, decreased libido and cognitive dysfunctions. Controlled trials have demonstrated favourable effects of androgen substitution therapy on these signs and symptoms in men with severe primary or secondary hypogonadism. Thus, androgen substitution therapy is warranted in men...
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ژورنال
عنوان ژورنال: Reproduction
سال: 2019
ISSN: 1470-1626,1741-7899
DOI: 10.1530/rep-18-0579