![Nicola Marasco on X: "Did you know polyester underwear was studied as a contraceptive? 14 men wore a polyester sling on their balls for a year. All became azoospermatic (infertile) within an Nicola Marasco on X: "Did you know polyester underwear was studied as a contraceptive? 14 men wore a polyester sling on their balls for a year. All became azoospermatic (infertile) within an](https://pbs.twimg.com/media/F0dXjgTaEAwtIIx.jpg:large)
Nicola Marasco on X: "Did you know polyester underwear was studied as a contraceptive? 14 men wore a polyester sling on their balls for a year. All became azoospermatic (infertile) within an
![A study published in 1993 found that polyester underwear reduced sperm count and sperm motility in male dogs : r/wikipedia A study published in 1993 found that polyester underwear reduced sperm count and sperm motility in male dogs : r/wikipedia](https://external-preview.redd.it/pSXYI5ycu7h7f4kihOlomQc4WGgmFAhqD6WPs-77SdI.jpg?auto=webp&s=9eaddd7cd7bf426cf0f75f82a13ad59625647ad9)
A study published in 1993 found that polyester underwear reduced sperm count and sperm motility in male dogs : r/wikipedia
![Study: Polyester Underwear Lowers Sperm Counts, Atrophies Testicles, and Decreases Sexual Desire - ENDALLDISEASE Study: Polyester Underwear Lowers Sperm Counts, Atrophies Testicles, and Decreases Sexual Desire - ENDALLDISEASE](https://www.endalldisease.com/wp-content/uploads/2013/07/Sperm-count-underwear-751x500.jpg)