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  • Title: [In vitro assessment of semen for the prediction of fertility].
    Author: Waberski D, Petrounkina A, Weitze KF, Töpfer-Petersen E.
    Journal: Tierarztl Prax Ausg G Grosstiere Nutztiere; 1999 Feb; 27(1):1-7. PubMed ID: 10077807.
    Abstract:
    The prediction of fertility is a primary goal in the field of reproductive medicine. The aim of the present paper is to describe the value of conventional and modern sperm analysis systems considering the process of fertilization. The classical assessment of motility and morphology enables the rough estimation of semen quality in order to select ejaculates for the use in artificial insemination. Recent methods for sperm diagnosis, such as fluorescent marking for the detection of sperm plasma membrane integrity, the hypoosmotic swelling test, and computer assisted semen analysis allow for the evaluation of a large number of spermatozoa and the assessment of sperm dynamics under in vitro-fertilization conditions. The oocyte penetration test investigates the ability of spermatozoa for capacitation, hyperactivation and acrosome reaction in vitro. The amount of specific seminal plasma proteins is related to fertility and thereby provides an additional semen evaluation method. For the use of a given semen test the specific in vitro condition has to be considered. In addition, the evaluated criteria relevant for the process of fertilization need to be defined. The combination of selected semen tests gives a higher accuracy for the prediction of fertilizing capacity compared with a single test.
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