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It is also commonly used for testing human donors for sperm donationand for animals semen analysis is commonly used in stud farming and farm animal breeding.
Occasionally a man will have a semen analysis done as part of routine pre-pregnancy testing. At the laboratory level this is rare, as most healthcare providers will not test the semen and sperm unless specifically requested or there is a strong suspicion of a pathology in one of these areas discovered during the medical history or during the physical examination.
Such testing is very expensive and time-consuming, and in the U. In other countries, such as Germany, the testing is covered by all insurances.
Relation to fertility[ edit ] The characteristics measured by semen analysis are only some of the factors in semen quality. Semen collection Different methods used for semen collection are masturbationcondom collection and epididymal extraction, etc.
The sample should never be obtained through coitus interruptus for several reasons: Some part of ejaculation could be lost, bacterial contamination could happen and the acid vaginal pH could be detrimental for sperm motility. The optimal sexual abstinence for semen sample obtaining is from 2—7 days.
The most common way to obtain a semen sample is through masturbation and the best place to obtain it is in the clinic where the analysis will take place in order to avoid temperature changes during the transport that can be lethal for some spermatozoa.
Once the sample is obtained, it must be put directly in a sterile plastic recipient never in a conventional preservative since they have chemical substances as lubricants or spermicides that could damage the sample and be handed in the clinic for it to be studied within the following hour.
Parameters[ edit ] Examples of parameters measured in a semen analysis are: Sperm count[ edit ] Approximate pregnancy rate varies with amount of sperm used in an artificial insemination cycle. Values are for intrauterine insemination, with sperm number in total sperm count, which may be approximately twice the total motile sperm count.
Sperm count, or sperm concentration to avoid confusion with total sperm count, measures the concentration of sperm in a man's ejaculate, distinguished from total sperm count, which is the sperm count multiplied with volume.
Over 15 million sperm per milliliter is considered normal, according to the WHO in A vasectomy is considered successful if the sample is azoospermic zero sperm of any kind found.
Chips for home use are emerging that can give an accurate estimation of sperm count after three samples taken on different days. Such a chip may measure the concentration of sperm in a semen sample against a control liquid filled with polystyrene beads.
A more specified measure is motility grade, where the motility of sperm are divided into four different grades: Sperm with progressive motility. These are the strongest and swim fast in a straight line.
Sometimes it is also denoted motility IV. These also move forward but tend to travel in a curved or crooked motion. Sometimes also denoted motility III. These have non-progressive motility because they do not move forward despite the fact that they move their tails. Sometimes also denoted motility II.
These are immotile and fail to move at all. Sometimes also denoted motility I.
A caveat to this is be sure it has been at least 48 hours since the last ejaculation to time of sample collection. The human ejaculate is mostly composed of water.
One way of ensuring that a man produces more ejaculate  is to drink more liquids. Men also produce more seminal fluid after lengthy sexual stimulation and arousal. Reducing the frequency of sex and masturbation helps increase semen volume. Sexually transmitted diseases also affect the production of semen.
Men who are infected  with the human immunodeficiency virus HIV produce lower semen volume. Color[ edit ] Semen normally has a whitish-gray color.
It tends to get a yellowish tint as a man ages.
Semen color is also influenced by the food we eat: Hematospermia is a rare condition. Semen that has a deep yellow color or is greenish in appearance may be due to medication. Brown semen is mainly a result of infection and inflammation of the prostate gland, urethraepididymis and seminal vesicles.
Fructose level[ edit ] Fructose level in the semen may be analysed to determine the amount of energy available to the semen for moving.NOR-AM has been in existence for seven years and is growing stronger by drawing upon 17 years of business experience sourcing poultry, pork, and beef items from Canada and USA.
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