منابع مشابه
ACUPUNCTURE AND MALE INFERTILITY About male infertility
The clinical definition of male infertility is the presence of abnormal semen parameters in the male partner of a couple who have been unable to conceive after 1 year of unprotected intercourse (Dohle 2010). The World Health Organization defines male factor infertility as the presence of one or more abnormalities in the semen analysis, or the presence of inadequate sexual or ejaculatory functio...
متن کاملGenetics of human male infertility.
Infertility is defined as a failure to conceive in a couple trying to reproduce for a period of two years without conception. Approximately 15 percent of couples are infertile, and among these couples, male factor infertility accounts for approximately 50 percent of causes. Male infertility is a multifactorial syndrome encompassing a wide variety of disorders. In more than half of infertile men...
متن کاملMale Infertility and Its Causes in Human
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...
متن کاملHuman male infertility and its genetic causes
Background Infertility affects about 15% of couples who wish to have children and half of these cases are associated with male factors. Genetic causes of azoospermia include chromosomal abnormalities, Y chromosome microdeletions, and specific mutations/deletions of several Y chromosome genes. Many researchers have analyzed genes in the AZF region on the Y chromosome; however, in 2003 the SYCP3 ...
متن کاملGenetics and Male Infertility
Male are the sole cause of infertility in approximately 20% of infertile couples and are an important contributing factor in another 20-40% of couples with reproductive failure. Male infertility can result from a variety of causes. Some, like ductal obstruction and hypogonadotropic hypogonadism, can be accurately defined and effectively treated. Genetic abnormalities can cause infertility by in...
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ژورنال
عنوان ژورنال: Journal of Assisted Reproduction and Genetics
سال: 1997
ISSN: 1058-0468,1573-7330
DOI: 10.1007/bf02765830