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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 ...
The most common sign of hypospermia is a low volume of semen during ejaculation. [1] The diagnosis is confirmed when one has a semen volume of less than 2.0 mL on at least two successive spermograms. [2] If hypospermia is caused by retrograde ejaculation, sign include cloudy urine after orgasm. There may not be any symptoms of hypospermia ...
It is the opposite of hypospermia, which is defined as a semen volume of less than 1.5 mL. Hyperspermia alone does not appear to influence sperm health. However, large volumes of ejaculate may have lower relative volumes of sperm, leading to low fertility. [3] [1] In some cases, high semen volumes can be a symptom of male accessory gland ...
To get that value, two different variables are multiplied: sperm concentration—the number of sperm per millimeter of semen—and semen volume, which is exactly what it sounds like.
A routine semen analysis should include: physical characteristics of semen (color, odor, pH, viscosity and liquefaction), volume, concentration, morphology and sperm motility and progression. To provide a correct result it is necessary to perform at least two, preferably three, separate seminal analyses with an interval between them of seven ...
Semen samples obtained via sexual intercourse contain 70 [30] –120 [31] % more sperm, with sperm having a slightly higher [32] motility and slightly more normal [32] morphology, compared with semen samples obtained via masturbation. Sexual intercourse also generates a 25–45% [32] increase in ejaculate volume, mainly by increased prostate ...
The number of spermatozoa an adult human male produces is directly proportional to testicular volume, as larger testicles contain more seminiferous tubules and Sertoli cells as a result. [3] As such, men with larger testicles produce on average more sperm cells in each ejaculate, as testicular volume is positively correlated with semen profiles ...
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