Recent decline in sperm motility among donor candidates at a sperm bank in Denmark
Emilie Lassen,
Allan Pacey,
Anne-Bine Skytte
et al.
Abstract:STUDY QUESTION
Has there been variation in semen quality among men applying to be sperm donors (i.e. donor candidates) in Denmark in recent years (2017–2022)?
SUMMARY ANSWER
The motile sperm concentration and total motile sperm count (TMSC) in ejaculates—both measures of sperm quality—declined by as much as 22% from 2019 to 2022.
WHAT IS KNOWN ALREADY
Questio… Show more
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