Paul Saladino· MD
The good news is that in both dogs and humans sperm counts recover but it takes MONTHS - an average 5 months to return to normal from oligospermia or azoospermia depending on the study.
The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
The good news is that in both dogs and humans sperm counts recover but it takes MONTHS - an average 5 months to return to normal from oligospermia or azoospermia depending on the study.
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the polyester pans in conclusion had a deleterious effect on somatogenesis in the dogs which was reversible in the majority of cases
in the polyester group the testicular temperature showed insignificant changes during the period the pants were worn
it takes months for this to improve
there's also studies in dogs where they've put polyester underwear on male dogs and their sperm counts and their testosterone goes down
They've done it in humans and in dogs where they put polyester underwear on the dogs and it actually decreases sperm counts