Asthenopermia, or asthenozoospermia, is the term used when the percentage of mobile sperm is lower than average. Complete asthenozoospermia, meaning that all sperm cells in a sample are not moving, occurs in about 1 in 5000 men.
Asthenozoospermia results in infertility, as the sperm are unable to swim and reach the egg. This can be overcome using IVF-ICSI techniques.
Under normal circumstances, ejaculation occurs as the semen is ejected through the urethra. The urethra has another branch that leads away from the bladder, via
Maturation arrest is defined as germ cells that fail to complete maturation to sperm cells. Limited data exist to characterize men with maturation arrest. Maturation
Spermatogenesis, the creation of mature sperm cells, takes place in the male testis from the start of puberty and continuing throughout life. Stem cells are
While the recommended method of semen collection is masturbation, using a collection condom is another acceptable method. Using a collection condom allows a couple to
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