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The sperm is a male reproductive cell. It is a very important element of sexual reproduction. Outside the human body, sperm live for a very short time, while in the female body, they can survive up to several days. Thanks to this, fertilization can take place even several hours after intercourse. What should you know about sperm?
Sperm are very vital, but also sensitive male gametes, which live for a very short time outside the human body. The process of their formation is called spermatogenesis. Before the sperm is mature, it has to go through many developmental stages.
Sperm – what is it?
Sperm are produced by the testicles in a man’s body. There are 100 to 500 million sperm in each portion of semen. At the same time, they account for only 1% of the sperm composition. In male sperm, for example, we find selenium, zinc and vitamin C. It is also a source of estrogen and testosterone.
Sperm – structure
The sperm consists of a switch, a head and a cap that allows it to break through the wall of the egg. The appearance of the head is not always the same. Sometimes the head is very small or even distended, and some of the sperm cells do not have a cap or it is too large. The appearance of the switch also differs. Some sperm do not have it and others may have two. It should also be noted that a healthy sperm, regardless of its appearance, moves forward.
- Also read: Male pheromones – what are they?
Sperm – life expectancy
Sperm in a woman’s body can survive for up to 3 days. Outside the human body, sperm die immediately due to room temperature that is too low for them. Therefore, it is not possible to get pregnant by rubbing yourself, for example, with the same towel.
Sperm – where can we find them?
Sperm is not only found in sperm. Their source is also preejakulat, i.e. the minimum amount of discharge that appears on the penis when excited. However, the sperm content in the pre-ejaculate is low and they are not as mobile.
Therefore, the risk of pregnancy in the event of vaginal pre-ejaculation is always present, but it is lower than at the time of intercourse when ejaculation occurs.
When trying for a child, you should not forget about selenium supplementation, the deficiency of which may affect male fertility. You will find a selenium dietary supplement on the Medonet Market.
Sperm – male fertility
The main problem of male fertility is sperm motility. The so-called lazy sperm is a common topic. It is worth knowing that sperm cells differ not only in appearance, but also in temperament. This concept covers the speed of movement, i.e. the strike of the switch.
In doctor’s offices, a Sperm educational toy may prove to be useful, which will help to visualize some phenomena. It will also work well as a teaching aid for parents and teachers.
More important than the temperament of the sperm is whether it is moving forward and at what pace. This determines their chances of reaching the egg. If the number of adequately motile sperm cells is 50%, this is considered normal.
The “lazy” sperm is mainly caused by an inadequate diet, low in zinc, carnitine, omega-3 fatty acids and vitamins A and C.
Examination of a man’s sperm can determine sperm motility. However, lazy sperm can be dealt with. Often it is enough to change the diet and introduce products rich in the above-mentioned ingredients. It is also worth considering physical activity in the daily plan, which has a positive effect on testosterone production.
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