The global average male penis has grown by nearly 3 centimeters! Experts point out that "this phenomenon" is worrying
Is the penis size of men around the world “progressing”? Study: The average growth after erection is more than 3 centimeters
The issue of the “size” of male genitals is not only often related to sexual ability and masculinity, but also to the male’s own self-esteem. In fact, the penis length of men around the world has been “increasing” in the past decade? The “World Journal of Men’s Health” published a study on Valentine’s Day this year, which showed that male penises around the world have indeed grown by 24%, but it also revealed hidden concerns about the decline in male sperm quality.
Stanford University in the United States and the University of Rome in Italy jointly initiated the research. The research team conducted a systematic review and integrated analysis of 75 studies published from 1942 to 2021, including a total of 55,761 male subjects. Among them, 33 studies, 64 studies and 20 studies respectively involved the lengths of “flaggy”, “extended” and “fully erect” male penises, with averages of 8.7 cm, 12.93 cm and 13.93 cm respectively.
Integrated analysis results show that the fully erect penis length of men around the world increased by an average of about 2.96 cm (from 12.27 cm to 15.23 cm) in 29 years, an increase of approximately 24%. The study also found that middle-aged and older people (48-60 years old) had better penis elongation than younger subjects (18-20 years old), but there was no significant difference between the flaccid and fully erect states.
Is penis length related to infertility? Experts reveal that “this phenomenon” is worrying
Michael Eisenberg, author of the study and professor of urology at Stanford University, said that the length of men’s erections has increased in the past 30 years, which may seem promising but also has various hidden dangers. “Although men’s penis length is increasing, studies have found that sperm count and testosterone levels continue to decrease year by year.” In addition, men suffer from congenital genital defects, such as hypospadias (the opening of the urethra is not at the top of the penis, but at the top of the penis. Located anywhere on the glans or perineum), cryptorchidism, etc., the incidence is also increasing.
“The global trend of male penis growth is more worrying than any ongoing changes!” Eisenberg pointed out that the decline in sperm quality while penis growth may be related to the effects of many factors, such as chemicals (such as pesticides, paints, cleaning Exposure to plasticizers, plasticizers, etc., causes male children to enter puberty early and affects the body’s hormone levels.
Eisenberg bluntly stated that it is known that the sperm count of modern men is indeed declining and the testosterone concentration is not as good as before. This trend may be related to westernized diet or obesity. Obesity and hormonal disorders are the key factors that lead to the shortening of penile erection length. However, research has shown that the increase in male penis erect length may be related to changes in the penis measurement method used in the study, in addition to factors such as environmental hormones.
How to avoid male infertility problems? Harvard recommends: Do “one thing” to improve sperm quality
To sum up, even though there is a tendency for male penis length to increase after erection, it is obviously not directly proportional to the maintenance of sperm quality and testosterone concentration. How to increase sperm concentration to avoid the risk of infertility or subfertility? A study conducted by Harvard University’s TH Chan School of Public Health and Brigham and Women’s Hospital pointed out that maintaining a certain intensity of physical activity is related to higher male fertility.
The research team collected samples and survey data from more than 1,500 men and women, including couples currently seeking treatment at fertility centers, including a total of 377 men. The research team found that those whose daily work involves physical activities (such as lifting heavy objects, fitness coaching, etc.) and exercise that is different from their usual habits have a 46% higher sperm concentration and a 44% higher sperm count than those who do not exercise.
Study author Lidia Mínguez-Alarcón said that in fact, the benefits of stimulating hormones are not gender-specific, and women’s estrogen can also be increased through exercise. The principle behind this may be that the androgens increased after women exercise will be converted into estrogen in the body, which is one of the body’s modes of keeping the two hormones in a balanced state.
Mínguez-Alarcón believes that although the study found a link between physical activity and fertility, the underlying biological mechanisms still need to be further explored. “Reproductive health is a vital public health issue, and exercise may be a key to helping fertility. Relevant units should pay more attention to the promotion of physical activities, which may be helpful to increase the overall fertility rate.”
Source:
Is an increase in penile length cause for concern?
Physically Demanding Work Tied to Higher Male Fertility, Study Suggests
Stretched penile length and its associations with testosterone and infertility
Worldwide Temporal Trends in Penile Length: A Systematic Review and Meta-Analysis
Shorter Anogenital Distance Predicts Poorer Semen Quality in Young Men in Rochester, New York
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