Did you know: regular sauna use affects male fertility by temporarily reducing sperm count, motility, and DNA quality. This effect is temporary; once heat exposure stops, sperm production generally returns to normal within a few months.
Sperm require roughly 70 to 90 days to fully mature. Consequently, if a man limits or stops his sauna usage, his sperm parameters typically return to their normal baseline within 3 to 6 months. [1, 2]
However — and this is the key point — these changes were reversible. After stopping sauna exposure, sperm parameters returned to baseline within several months.
This aligns with what we know about sperm development: a full cycle of sperm production takes approximately 70–90 days. Remove the stressor, and the system can recover. (3)
Which means even if you only have single sauna session withing 3 months. you reset your timer, and consequently your fertility
This is why KOLD. was born, research has shown that icing of the testicles allow them to remain at optimal temperature, and counteract the negative effects on Sauna. Enjoy the benefits of Sauna with the Protection of KOLD.
The Temperature Factor: Healthy sperm production requires the testicles to remain 2°C to 3°C cooler than the body's core temperature.
- Sperm Quality: High heat can reduce sperm concentration, lower motility (how well sperm swim), and negatively impact DNA quality.
- Short-Term Impact: Repeated sauna use over weeks or months can suppress spermatogenesis while exposure continue
*1 https://pubmed.ncbi.nlm.nih.gov/23411620/
*2 https://www.newhopefertility.com/blog/sauna-use-and-male-fertility/
*3 sundhed.dk
