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Why does the sperm quality of a modern man decrease?
Jane Kevin, an obstetrician-gynecologist at the Medical Diagnostics and Treatment Center, says that it is estimated that there are about 50,000,000 infertile families in the world and their number is increasing by about fifty thousand every year.
According to the World Health Organization, one in four couples living in developed countries is infertile. According to other estimates, one in six couples in the world – 10 to 15 percent – face fertility problems. Another 10-25 percent of women experience secondary infertility, i.e. y. cannot conceive again.
WHO
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The amount of sperm in the sperm decreases drastically
The decline in sperm quality is confirmed by research in various parts of the world. A lot of them have been done. As many as 101 studies were published between 1934 and 1996, showing that the number of sperm per milliliter of blood fell from 120 million to 60 million during that period. – exactly double.
One of the researches was conducted by dr. S. H. Swan of the National Institute of Environmental Health Sciences (USA) with colleagues. The data of the study in the USA and Western European countries covered a period of 52 years – from 1938. until 1990 The number of sperm per milliliter of semen has been found to decrease by 1.5 percent annually in America and by 3.1 percent in Europe during this period!
1992 British E. Carlsen and his colleagues have spent 53 years since 1938. until 1991 results of an ongoing study. During this period, 14947 male sperm quality was tested worldwide. The number of sperm in their semen was found to have dropped from 113 to 60 million per milliliter during that time.
Why does sperm quality deteriorate?
“The quality of sperm can be assessed by performing laboratory tests – a spermogram, where the exact number of sperm, their ability to move, shape and viability are determined,” says A. kevin, a specialist in male diseases.
Research shows that 25-50% of the causes of sperm deterioration are related to lifestyle. “It simply came to our notice then. Alcohol, drugs, heavy smoking, diseases (prostatitis, sexually transmitted diseases, malaria, typhoid fever and others with a long-term fever) have a direct impact on the decline in fertility, says urologist A. Kevin. “Smoking has an adverse effect on semen density, total sperm count, motility and total motile semen.”
Men are also affected by increasing environmental pollution, high stress and constant fatigue, obesity, and even tight shorts. Taking some medicines can have a negative effect. Often the cause is varicocele-dilation of the vein of the seminal vesicle, which occurs due to dilation of the veins, failure of their valves, treated surgically.
But lifestyle and, above all, malnutrition have the biggest negative impact. And, unfortunately, very often it is not through the fault of the men themselves. Researchers have found that the quality of food is constantly deteriorating. For example, the content of vitamin C in apples since 1985. until 1996 decreased by 80% and in calcium potatoes by 70%. beta carotene in fennel – 76 percent. etc.! Comments are probably no longer needed.
What causes sperm to deteriorate or improve?
Studies of men with fertility problems have shown that they lack some important elements that affect spermatogenesis. First of all – L-carnitine. It is essential for sperm cells as a source of energy and can improve sperm motility and quantity. It also contains vitamin E, which improves sperm motility and increases the ability of sperm cells to bind to the egg.
These men also lacked zinc, which improves sperm cell density, increases the amount of fast-moving sperm cells and testosterone levels needed for spermatogenesis, and glutathione and selenium. Various studies have shown that both of these nutrients greatly improve sperm motility.
Other substances that are lacking in men with fertility problems include L-arginine, an amino acid (it improves sperm count and motility), folic acid, and coenzyme Q10 (an element that increases fertility, sperm count, and motility).
The beneficial effects of all the nutrients studied on spermatogenesis have been demonstrated in a number of clinical trials and trials. In one study, men used micronutrients for 3 months to look at their sperm quality – concentration, volume, and sperm motility. 136 men aged 23–58 years and with infertility for more than 2 years participated. At the end of the study (up to 120 subjects remained), 32 had normal sperm counts. 21 male partners became pregnant during the observed 6 months. An improvement in the results was also seen in the evaluation of all other parameters, in particular an improvement in sperm motility.
