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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 ...
A 2005 review found that the average reported viscosity of human semen in the literature was 3–7 ... the god of water. ... Semen study results; Hyena, Hank (August ...
How long the man has abstained prior to providing a semen sample correlates with the results of semen analysis and also with success rates in assisted reproductive technology (ART). Both a too short period of time since last ejaculation and a too long one reduce semen quality. A period of time of less than one day reduces sperm count by at ...
During the course of the video, the subject's semi-erect penis produces a drop of pre-ejaculate (also known as preseminal fluid, Cowper's fluid, or "pre-cum"); this is the typical amount produced at one time by this subject during arousal. A more thorough demonstration of the viscosity of this fluid can be seen here.
When a semen analysis does indicate abnormal results, lifestyle factors recommendations prior to a new semen sample include a nutritional diet, as well as limitations on smoking and alcohol use. A cold bath and removal of tight-fitted underwear apparel may also be recommended within the month prior to re-examination.
Laboratory examination of seminal vesicle fluid requires a semen sample, e.g. for semen culture or semen analysis. Fructose levels provide a measure of seminal vesicle function and, if absent, bilateral agenesis or obstruction is suspected. [13] Imaging of the vesicles is provided by medical imaging; either by transrectal ultrasound, CT or MRI ...
Sperm motility describes the ability of sperm to move properly through the female reproductive tract (internal fertilization) or through water (external fertilization) to reach the egg. Sperm motility can also be thought of as the quality , which is a factor in successful conception ; sperm that do not "swim" properly will not reach the egg in ...
Usually, men will be able to observe a runny/fluid, low-volume semen by themselves during masturbation. Since the seminal vesicles contain a viscous, alkaline fluid rich in fructose, a chemical analysis of the semen of affected men will result in a low concentration of fructose and a low pH. A microscopic semen analysis will reveal aspermia ...