The claim
Wearing a tight underwear lowers a man’s sperm count
Rating
True. However, its link to infertility remains uncertain
Reviewed by First Check ↗ ·
Original fact check ↗PeakMetrics research summary
Based on related reporting.
Research from related reporting says that very tight underwear or trousers can affect sperm production, while another article cautions that everyday underwear choices are unlikely to make much difference for most healthy men. The excerpts do not establish that tight underwear causes infertility.[S2][S4]
Research date:
Sources and attribution
- [original] First Check original review
Original review · Retrieved October 16, 2026
- [S2] Male Infertility: 5 Signs Doctors Say You Shouldn't Overlook | Pulse Nigeria
Additional research · Retrieved October 16, 2026
- [S4] Common Myths About Male Fertility and Sperm Health
Additional research · Retrieved October 16, 2026