World Health Organization reference values for human semen characteristics*‡
نویسندگان
چکیده
منابع مشابه
World Health Organization reference values for human semen characteristics.
BACKGROUND Semen quality is taken as a surrogate measure of male fecundity in clinical andrology, male fertility, reproductive toxicology, epidemiology and pregnancy risk assessments. Reference intervals for values of semen parameters from a fertile population could provide data from which prognosis of fertility or diagnosis of infertility can be extrapolated. METHODS Semen samples from over ...
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Semen analysis is of paramount importance to study potential male fertility, couple's infertility, the effects of gonadotoxic agents on spermatogenesis and as follow-up test during treatment of male infertility. Since 1987, the World Health Organization proposes the standardization of this test and its reference values based on population-based data. The latest version of the World Health Organ...
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In 2010, the World Health Organization established new reference values for human semen characteristics that are markedly lower than those previously reported. Despite using controlled studies involving couples with a known time to pregnancy to establish the new limits, the reference studies are limited with regard to the population analyzed and the methods used for semen evaluation. The presen...
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متن کاملTHRESHOLD VALUES FOR SEMEN ANALYSIS WHO lower reference limits The WHO has published revised lower reference limits for semen
THRESHOLD VALUES FOR SEMEN ANALYSIS WHO lower reference limits The WHO has published revised lower reference limits for semen analyses.5 The following parameters represent the generally accepted 5th percentile (lower reference limits and 95% confidence intervals [CIs] in parentheses), derived from a study of over 1900 men whose partners had a time-to-pregnancy of ≤12 months. The suggested lower...
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ژورنال
عنوان ژورنال: Human Reproduction Update
سال: 2009
ISSN: 1460-2369,1355-4786
DOI: 10.1093/humupd/dmp048