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Semen extender is a liquid diluent which is added to semen to preserve its fertilizing ability. It acts as a buffer to protect sperm cells from their own toxic byproducts, as well as protecting the sperm from cold shock and osmotic shock during the chilling and shipping process (the semen is chilled to reduce metabolism).
Penis enlargement, or male enhancement, is any technique aimed to increase the size of a human penis. Some methods aim to increase total length, others the shaft's girth, and yet others the glans and foreskin size. [1] Techniques include surgery, supplements, ointments, patches, and physical methods like pumping, jelqing, and traction. [1]
In studies that controlled for female age, comparisons between men under 30 and men over 50 found relative decreases in pregnancy rates between 23% and 38%. [4] Older men have lower semen parameters resulting in lower fertility potential. The effects of aging on semen quality are summarized below based on a study of 1,219 subjects: [5]
When it comes to studies measuring berberine’s effect on losing weight, “existing studies do not include weight loss as an end point,” says Sandon. “The studies generally speculate on the ...
A 1992 World Health Organization report described normal human semen as having a volume of 2 mL or greater, pH of 7.2 to 8.0, sperm concentration of 20×10 6 spermatozoa/mL or more, sperm count of 40×10 6 spermatozoa per ejaculate or more, and motility of 50% or more with forward progression (categories a and b) of 25% or more with rapid ...
In an August cover story for Better Homes & Gardens, Anderson said her sons “are old enough now to understand the big picture," adding, "Of course, over the years, they learned about things in ...
When controlling for the age of the female partner, comparisons between men under 30 and men over 50 found relative decreases in pregnancy rates between 23% and 38%. [ 55 ] A 2014 review indicated that increasing male age is associated with declines in many semen traits, including semen volume and percentage motility.
But the Dull Men's Club is more than just a Facebook page: it also has a newsletter, a calendar, real-life meet-ups, and awards – including the coveted Anorak of the Year, for the truly ...
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