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Necrospermia is a male fertility problem characterized by the presence of dead sperm in the ejaculate. Necrospermic men, however, are able to have biological offspring thanks to assisted reproductive technologies.
Cryptozoospermia or cryptospermia is a sperm pathology that may lead to male infertility and is characterized by a low sperm quantity. Actually, it causes the same symptoms as oligozoospermia, but more severely.
Analysis of the amount of leukocytes in semen
When a semen analysis o seminogram is performed, one of the examinations included is the analysis of the presence of leukocytes in semen. It allows a more accurate examination of what is causing male infertility to...
It consists of an alteration within the sperm shape, in which more than 95% of sperm have an strange morphology, leading thus to male infertility because of an sperm factor.
Male infertility detection test
There are many men that suffer from male infertility. The classical test to evaluate their fertility is the sperm analysis; however, there are several parameters that can evaluate the sperm that are not studied,...
Progressive loss of the seminal quality and importance of the sperm analysis
The Spanish Society of Clinical Biochemistry and Mollecular Pathology warns of the decrease in seminal quality provoked by several factors. That'ss why the spermiogram is a key test in the fertility studies of the...
How to collect a sperm sample
One of the first fertility tests consists of carrying out a seminogram to evaluate the male fertility state and his reproductive capacity.
The seminogram is a comprehensive test that evaluates different semen parameters, such as quantity, motility, morphology and vitality. The WHO has established a set of reference values to determinate whether a...
Sperm agglutination test
Sperm agglutination is a sperm disorder that may cause male infertility. To diagnose this condition a seminogram is required.
Analysis of the sperm motility
This test is performed within the semen, men whose sperm have movement difficulties suffer from a disorder called astenozoospermia which is a type of male factor infertility sperm.
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