Do your partner fancy long showers? it could mean trouble for the ''little ones''. When the testicles are exposed to high temperatures, it can harm sperm production. Therefore, fertility researchers recommend keeping the water at a specific temperature.
One in six people worldwide will experience infertility during their lifetime, according to the World Health Organization (WHO). While genetic factors play a role, lifestyle choices can also have a significant impact. A new study suggests that hot showers may be a hidden factor that weakens male fertility. The recommendation from American fertility researchers at Boston University School of Public Health, who conducted the study, is to lower the temperature of bathwater.
Does not cause permanent damage
Sperm cells are particularly sensitive to heat. The testicles, where sperm cells are produced, are located outside the body to maintain a slightly lower temperature—typically two to four degrees cooler than the body’s natural temperature of around 37°C.
So, if the testicles are exposed to excessive heat, it can naturally harm sperm production.
A previous study showed that men who showered at a minimum of 37°C for 30 minutes each week for three months experienced a 22% reduction in sperm motility. Motility refers to the sperm cells' ability to move effectively forward and penetrate the woman’s egg. According to the American researchers behind the latest study, long-term or repeated exposure to high temperatures can actually lead to reduced sperm concentration and motility. They therefore recommend keeping bath temperatures within a certain range. “The ideal temperature for male sperm production is around 34 to 36°C, a few degrees lower than the body. That’s why it’s a good idea to keep the shower at this temperature,” says lead author Craig McKinnon. McKinnon researches male fertility at Boston University School of Public Health.
Sperm cell abnormalities
According to the researchers, you can still take a warm shower without it negatively affecting your reproductive health. However, the water should not be too hot. Although high temperatures over extended periods can affect sperm quality, it is unlikely that an occasional very hot shower will cause significant damage, according to the study’s findings. The negative effects of a hot shower appear to be temporary. “When you shower at lower temperatures, sperm production should return to normal. However, we are not exactly sure how long it takes for sperm cells to regain their function,” says McKinnon. While hot baths are one piece of the puzzle, overall lifestyle has a significant impact on male fertility. A balanced diet, regular exercise, and maintaining a healthy weight can enhance a man’s ability to father children.
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