Publicado: Sol, Agosto 12, 2018
Salud | Por Gertrudes Rodriquez

New Study Finds Men Who Wear Boxers Have Higher, Healthier Sperm Count

New Study Finds Men Who Wear Boxers Have Higher, Healthier Sperm Count

The study was published on Wednesday in the journal Human Reproduction.

Studies on the impact of underwear styles on sperm production have been inconsistent, though research has shown elevated scrotal temperatures can adversely affect testicular function, the Chan School said in a statement.

A "man's sperm counts can vary tremendously week to week", said Dr. Sarah Vij, a urologist at the Cleveland Clinic who was not involved with the study.

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To understand how underwear can affect sperm quality, the researchers collected semen samples - and preferences for boxers versus briefs - from 656 men between the ages of 32 and 39. Options were: boxers, jockeys, bikini, briefs and "other".

"Men could improve their sperm production by easily changing their type of underwear". Men who wore airy boxers had 25% more sperm per millilitre and ejaculated 17% sperm in each ejaculation, as compared to men who wore briefs, smaller trousers or tighter underwear.

"It might be predicted that men who spend much of their day seated and also wear tight underwear would be most likely to suffer a fall in their sperm production due to scrotal heating", Prof Sharpe said.

The researchers also analyzed blood samples from about 300 of the participants and found that the men who wore boxers had 14% lower levels of a hormone called FSH - which is known to play a role in male fertility - compared with men who wore tighter underwear.

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Results showed that men who preferred boxers had a 25 percent higher sperm concentration and a 17 percent higher sperm count.

The authors concluded that certain styles of male underwear may impair spermatogenesis, which may result in a compensatory increase in gonadotrophin secretion, as reflected by a higher serum FSH concentration in men who frequently wore tight underwear.

Eisenberg said that if men are having trouble conceiving, they should see a doctor for an evaluation of risk factors for fertility problems.

Did you know? The kind of underwear you wear can affect your sperm quality.

However, other experts said they wouldn't make a flat-out recommendation for men to switch to boxers. Thus, it can be inferred that wearing loser boxers can be helpful in improving sperm count, but the tighter ones will not make you infertile either.

However, the study does not explore whether the occupation of the men and the length of time that they spend seated were also important, he said.

The study has still not demonstrated a clear correlation between the type of underwear and sperm count/quality and whether all these sperms translate into pregnancy.

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