Male Sperm Counts Have Fallen by More Than 50%… 'A Global Phenomenon'

Hankyoreh · 2022.11.16

Sperm counts among men have been falling worldwide year after year, according to a new study.

Professor Hagai Levine of the Hebrew University of Jerusalem and Professor Shanna Swan of the Icahn School of Medicine at Mount Sinai published a paper in the journal Human Reproduction Update showing that men's average sperm counts fell by more than half everywhere in the world between 1973 and 2018, the Financial Times reported.

The decline has accelerated since 2000, but its causes remain unclear.

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