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Terms oligospermia, oligozoospermia, and low sperm count refer to semen with a low concentration of sperm [1] and is a common finding in male infertility. Often semen with a decreased sperm concentration may also show significant abnormalities in sperm morphology and motility (technically oligoasthenoteratozoospermia ).
There are various combinations of these as well, e.g. Teratoasthenozoospermia, which is reduced sperm morphology and motility. Low sperm counts are often associated with decreased sperm motility and increased abnormal morphology, thus the terms "oligoasthenoteratozoospermia" or "oligospermia" can be used as a catch-all.
Hypospermia is a condition in which a man has an unusually low ejaculate (or semen) volume, less than 1.5 mL. It is the opposite of hyperspermia, which is a semen volume of more than 5.5 mL. [1] It should not be confused with oligospermia, which means low sperm count.
When sperm quality is referenced, what often is being evaluated is sperm motility, the percentage of sperm that are moving progressively; and sperm morphology, the percentage of sperm with a ...
Studies in mice have shown that DHA is essential for acrosome reaction and a DHA deficiency results in abnormal sperm morphology, loss of motility and infertility; which can be restored by dietary DHA supplementation. [5] Furthermore, the supplementation with DHA in humans has been reported to increase sperm motility.
Watery semen, on the other hand, can indicate a low sperm count or frequent ejaculation, which may temporarily reduce sperm quality. Smell Typically, semen has a light bleach or ammonia-like smell ...
Researchers found that men who cycled for at least five hours per week were more likely to have low sperm count and fewer motile sperm than men who did other forms of exercise or didn't exercise ...
The main cause of male infertility is low semen quality. In men who have the necessary reproductive organs to procreate, infertility can be caused by low sperm count due to endocrine problems, drugs, radiation, or infection. There may be testicular malformations, hormone imbalance, or blockage of the man's duct system.
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