Lifestyle & preconception
Hot baths, saunas, laptops on the lap and fever may temporarily reduce sperm quality. Because sperm take around three months to develop, effects and recovery are delayed.
Also known as: heat and sperm, hot tubs
Related United Kingdom guides
Last reviewed: 23 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.