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Infertility sperm mobility

Low sperm count means that the fluid semen you ejaculate during an orgasm contains fewer sperm than normal. A low sperm count is also called oligospermia ol-ih-go-SPUR-me-uh. A complete absence of sperm is called azoospermia. Your sperm count is considered lower than normal if you have fewer than 15 million sperm per milliliter of semen. Having a low sperm count decreases the odds that one of your sperm will fertilize your partner's egg, resulting in pregnancy.
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Sperm Motility

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Sperm Motility: Causes, Treatment, and More

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10 Ways to Boost Male Fertility and Increase Sperm Count

There is no scientific evidence that wearing tight clothes or bike shorts affects the quality of your sperm. Diet, vitamins and supplements actually have very little impact on your sperm count - but they do help you stay healthy. Sports injuries to the groin will only have an impact on sperm production in extremely severe cases. While the effect of age on a man's fertility is not as significant as it is with women, there is a decline in the quality of sperm after the age of After this age, sperm volume, motility and morphology declines and damage to sperm DNA increases.
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Gene targeting was used to create mice lacking sperm-associated antigen 6 Spag6 , the murine orthologue of Chlamydomonas PF16, an axonemal protein containing eight armadillo repeats predicted to be important for flagellar motility and stability of the axoneme central apparatus. Spag6-deficient males surviving to maturity were infertile. Their sperm had marked motility defects and was morphologically abnormal with frequent loss of the sperm head and disorganization of flagellar structures, including loss of the central pair of microtubules and disorganization of the outer dense fibers and fibrous sheath. We conclude that Spag6 is essential for sperm flagellar motility and that it is important for the maintenance of the structural integrity of mature sperm. The occurrence of hydrocephalus in the mutant mice also implicates Spag6 in the motility of ependymal cilia.
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