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Absence of sperm or undescended testicles

1. The absence of sperm in the testicles or the absences of testicles, described as non-obstructive azoospermia, are the most basic factors of male infertility. The causes that lead to these situations are Chromosomal or genetic abnormalities such as deletions of chromosome parts or genes Inability of testicular descent Surgical removal of the testicles due…

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Sperm maturation or release inability

Spermatogenesis is a very complex process which seems to be influenced by a number of factors that may lead to the most common oligo-astheno-terato-zoospermia or even azoospermia. These factors that influence the stages of spermatogenesis or the release of sperm are the following Chromosomal defects, translocations and inversions of genetic material, may be responsible for…

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Testicular aging, oxidative stress and DNA Fragmentation

DNA Fragmentation, is a form of sperm damage and is a phenomenon associated with poor sperm fertilizing ability and the subsequent potentially problematic development of pregnancy. There is certainly a correlation between DNA fragmentation and a man's ability to fertilize his partner's eggs. Simply it’ s quantification and laboratory detection is still in very early…

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