In recent years, the topic of obesity has increasingly become the focus of attention, and a series of diseases easily induced by obesity are also well known. With the increasing number of obese people, many people are beginning to pay attention to the impact of obesity on their offspring. So, is obesity another inducing factor for infertility?
In fact, recent studies have shown that obesity can also affect men's reproductive ability, as obese men have more inferior sperm compared to men with normal waist circumference. There are even reproductive medicine experts who suggest that to identify whether the other person's fertility is strong or not, and whether they are "pregnant" or not, just look at the other person's waist circumference. Experts have pointed out that men with a waist circumference of more than 85 centimeters and women with a waist circumference of more than 80 centimeters should be careful about the impact of "pregnancy" qi.
The fatter the male, the poorer the sperm quality
Sperm quality is affected by multiple factors such as semen volume, sperm count, motility, and normal sperm morphology. The fatter a man is, the lower their semen volume and sperm count will be, affecting their sperm quality. In a study, British scientists analyzed sperm samples from more than 5000 men. After excluding other factors that may affect sperm quality, such as smoking, alcohol consumption, and drug abuse, they found that obese men have a 40% higher risk of sperm abnormalities than normal weight men.
Three Theories of Obesity Affecting Male Sperm Quality
"Excessive body fat in obese men can convert male hormones into estrogen, resulting in suppression of pituitary gonadotropin secretion, which in turn reduces testosterone secretion, hindering sperm production and sperm quality.".
2. The effect of temperature on sperm production. Some studies have shown that excessive obesity in men can lead to an increase in the temperature of the groin, leading to an increase in the temperature of the scrotum. The optimal temperature for sperm production is 2 ℃ lower than the normal temperature, resulting in a decrease in sperm production or an impact on sperm quality.
3. diabetes patients have more sperm damage. Obesity is easy to induce diabetes or invisible diabetes. Some studies show that diabetes patients directly damage their sperm DNA due to the high level of sugar in their blood, which affects their own fertility.